Standardize on 'Expenses" in account names

We've concluded that the top-of-hierarchy account name for Expenses
should be Expenses, not Expense.  This change normalizes the tutorial
text and examples to Expenses.

accounts/config/config-accounts.ledger

@@ -51,31 +51,31 @@ account Accrued:Accounts Payable:Main Org
 define expenseChecker() = (tag("Receipt") !~ /^\s*$/ or tag("Invoice") !~ /^\s*$/ or tag("Statement") !~ /^\s*$/) and tag("Program") !~ /^\s*$/
 ; or payee =~ /NEVER CHARGED/
 
-account Expense:Main Org:Office Supplies
+account Expenses:Main Org:Office Supplies
     assert expenseChecker() or payee =~ /NEVER CHARGED/
     note Main Organization's Office Supplies and Sundries
 
-account Expense:Main Org:Payroll:Salary
+account Expenses:Main Org:Payroll:Salary
     assert expenseChecker() or payee =~ /NEVER CHARGED/
     note Main Organization's Staff Salaries
 
-account Expense:Main Org:Payroll:Benefits
+account Expenses:Main Org:Payroll:Benefits
     assert expenseChecker() or payee =~ /NEVER CHARGED/
     note Main Organization's Staff Benefits
 
-account Expense:Main Org:Phones
+account Expenses:Main Org:Phones
     assert expenseChecker() or payee =~ /NEVER CHARGED/
     note Main Organization's Phone Expenses
 
-account Expense:Main Org:Hosting
+account Expenses:Main Org:Hosting
     assert expenseChecker() or payee =~ /NEVER CHARGED/
     note Main Organization's Network Hosting Provider services
 
-account Expense:Main Org:Development
+account Expenses:Main Org:Development
     assert expenseChecker() or payee =~ /NEVER CHARGED/
     note Main Organization's software development expenses
 
-account Expense:Main Org:Occupancy
+account Expenses:Main Org:Occupancy
     assert expenseChecker() or payee =~ /NEVER CHARGED/
     note Main Organization's Occupancy for Office Space and the like
 

accounts/org/main-org.ledger

@@ -5,18 +5,18 @@
 
 2012-02-05 Office Supply Galore - Online Order
         ;Receipt: accounts/documentation/org/receipts/2012-02-05_office-supply-galore.txt
-    Expense:Main Org:Office Supplies          $35.00
+    Expenses:Main Org:Office Supplies         $35.00
         ;Program: Main Org:Overhead
     Liabilities:Credit Card:Visa             $-35.00
 
 2011/05/28 My Bad Billing Hosting - NEVER CHARGED
     Liabilities:Credit Card:Visa            $-100.00
-    Expense:Main Org:Hosting                 $100.00
+    Expenses:Main Org:Hosting                $100.00
         ;Program: Main Org:Overhead
 
 2012/01/01 My Bad Billing Hosting - REVERSAL - NEVER CHARGED
     Liabilities:Credit Card:Visa             $100.00
-    Expense:Main Org:Hosting                $-100.00
+    Expenses:Main Org:Hosting               $-100.00
         ;Program: Main Org:Overhead
 
 2012-05-03 Sir Moneybags
@@ -31,7 +31,7 @@
         ;Entity: Developer-J
         ;Invoice: accounts/documentation/org/expenses/developer/2012-07-05_developer-invoice.txt
     Accrued:Accounts Payable:Main Org  $-5,000.00
-    Expense:Main Org:Development        $5,000.00
+    Expenses:Main Org:Development       $5,000.00
         ;Program: Main Org:Software:Internal
         ;Statement: accounts/documentation/org/expenses/developer/2012-07-05_developer-report.txt
 

npo-ledger-cli-tutorial.md

@@ -75,7 +75,7 @@ accounts receivable, loans payable and loans receivable.
 ### Expense Accounts
 
 These accounts contain any expense of the organization, and all begin with
-`Expense:`.
+`Expenses:`.
 
 ### Income Accounts
 
@@ -188,7 +188,7 @@ the tag is a relative path name of a file elsewhere in the same repository
 that documents the specific expense.  For example, an entry like this:
 
      2012-02-05 Office Supply Galore - Online Order
-         Expense:Main Org:Office Supplies      $35.00
+         Expenses:Main Org:Office Supplies     $35.00
              ;Receipt: accounts/documentation/org/receipts/2012-02-05_office-supply-galore.txt
          Liabilities:Credit Card:Visa         -$35.00
 
@@ -360,7 +360,7 @@ The possible values for this field are:
 #### Program Tag
 
 The `Program` tag is used primarily to track program activity for `Income:`
-and `Expense:` accounts.  This allows for knowing what particular initiative
+and `Expenses:` accounts.  This allows for knowing what particular initiative
 initiated the income (e.g., a specific fundraising campaign) and/or what
 particular program activity an expense is toward (e.g., funding travel to
 some specific conference).
@@ -380,7 +380,7 @@ ledger itself via the configurations found in `config-tags.ledger` and
 
 #### Expense Account Documentation
 
-Each `Expense:` account entry must be tagged with the following tags:
+Each `Expenses:` account entry must be tagged with the following tags:
 
 * One of: [`Invoice:`](#invoice-tag) [`Receipt:`](#receipt-tag), or
   [`Statement`](#statement-tag).  (The only exception to this rule: an entry
@@ -458,7 +458,7 @@ the successes of various fundraising programs with a command like this:
 Meanwhile, using the  [`Program`](#program-tag) tag for Expenses can help
 track what programs are costing with commands like these:
 
-    $ ledger -f accounts/books.ledger --group-by 'tag("Program")' reg '/^Expense/'
+    $ ledger -f accounts/books.ledger --group-by 'tag("Program")' reg '/^Expenses/'
 
 FIXME: example output