Merge pull request #165 from chriskuehl/master

Fix MIME type of JSON across all documentation pages.
fix REST single resource table

*GET* */book* maps to *show* (not to index)
Merge pull request #166 from mauk81/patch-1

fix REST single resource table
Add some notes about the grailsWebDataBinder bean
Document controller exception handler methods
document binding the request body to command objects
GRAILS-10344 - notes about attempting to read the request body after command object binding
get grails core from the 2.3.x branch
Correcting folder/group name for springloaded jar com.springsource -> org.springsource
Removed duplicate words
GRAILS-10473: Changed variable name from list to map
Switch smart quotes to regular quotes
Formatting
Annotation formatting
Fix a code block
Add quick reference for controller scope for grails/grails-doc#107
Updated the documentation for validator
Merge branch '2.2.x' into 2.3.x
fix unintended strikethrough in commandLine forkedMode documentation

In the section heading for "Debugging and Forked Execution (--debug vs --debug-fork)",
the double-hyphens before the --debug and --debug-fork were not being rendered correctly,
and debug was being rendered as a strikethrough.  This change appears to result in the
intended rendering.
Merge pull request #173 from davidmc24/fix-debug-strikethrough

fix unintended strikethrough in commandLine forkedMode documentation