[[ Bug 15302 ]] Fix "occured"

Make spelling corrections:  occured -> occurred
These changes are all in text files

(cherry picked from commit 1a59bf1)

Author: bwmilby

Documentation/html_viewer/js/marked.js

@@ -74,7 +74,7 @@ command revIDEDeployAction
       put "Unknown deployment platform - " & tPlatform into tError
    end if
 
-   -- Report an error if one occured
+   -- Report an error if one occurred
    if tError is not empty then
       if revTestEnvironment() then
          return tError

Toolset/libraries/revdeploylibrary.livecodescript

@@ -6822,7 +6822,7 @@ on revIDEActionNewScriptOnlyStack
    # Create script only
    revIDENewScriptOnlyStack it
 
-   # If an error occured, tell the use
+   # If an error occurred, tell the user
    if the result is not empty then
       answer the result
    end if

Toolset/libraries/revidelibrary.8.livecodescript

@@ -125,7 +125,7 @@ private command updateList
    local tData
    put the cData of me into tData
 
-   # Show a nice green tick etc if no errors occured
+   # Show a nice green tick etc if no errors occurred
    if tData is empty then
       local tObject
       revSEGetCurrentObject

Toolset/palettes/script editor/behaviors/revseerrorspanebehavior.livecodescript

@@ -1601,7 +1601,7 @@ private command compileScript pObject, pIgnoreErrors
       send "setCompilationErrors line 1 of tCompilationResult, pObject" to group "Editor" of me
 
       # If there were errors and the errors pane is folded down, expand it to make the errors clear.
-      # Don't do this is there weren't any as the "no error occured" message is less important.
+      # Don't do this is there weren't any as the "no error occurred" message is less important.
       if sePrefGet("showerrors") then
          send "expandCurrentPane" to group "Panes" of me
       end if

Toolset/palettes/script editor/behaviors/revsestackbehavior.livecodescript

@@ -690,7 +690,7 @@ on mouseDown pButton
 
    unlock messages
 
-   # Check if mouse up occured over a valid drop stack
+   # Check if mouse up occurred over a valid drop stack
    local tLeft, tTop, tCreateObjectID
    repeat with x = 1 to the number of elements in tValidDropStacks
       if tDropScreenLocation is within tValidDropStacks[x]["rect"] then

Toolset/palettes/tools/revtools.livecodescript

@@ -17,7 +17,7 @@ You should have received a copy of the GNU General Public License
 along with LiveCode.  If not see <http://www.gnu.org/licenses/>.  */
 
 constant kExtensionErrorCode = 863
-constant kExpectedError = "extension: error occured with domain"
+constant kExpectedError = "extension: error occurred with domain"
 on TestExtensionErrorCode
 	TestAssert "extension error code is" && kExtensionErrorCode, \
 		line kExtensionErrorCode of the scriptExecutionErrors is \