New system property to give control over how FrontBase plugin handles "contains"

Default has always been as a "like" operator but this can make it now like an existence check in a too many relationship.

Signed-off-by: Aaron Rosenzweig <aaron@chatnbike.com>
aligning ERXPartials examples
Merge branch 'develop' into integration
Merge branch 'integration' of https://github.com/projectwonder/wonder into integration
Merge branch 'integration' of https://github.com/projectwonder/wonder into integration
Merge branch 'integration' of https://github.com/elemgee/wonder into integration
Merge branch 'wocommunity_integration' into develop

Conflicts:
	Frameworks/Core/ERJavaMail/Sources/er/javamail/ERJavaMail.java
Merge branch 'develop' into integration
Merge branch 'wocommunity_integration' into integration
Merge branch 'wocommunity_integration' into integration
Removes mention of isMandatory in list of d2wKeys.

This component does not honour the isMandatory key, as discussed on
the mailing list in 2010, 2013.

http://permalink.gmane.org/gmane.comp.web.webobjects.wonder-disc/15336
Fixed bug with full submit
Don't wrap in an AND qualifier if there is only one qualifier.
Change constructor parameters from private to private final.
javadoc
Adds minor change and 2 properties to enable indented pretty-print JSON response and to set indentation space count.

Handy for development and easily legible curl json responses in console.
Properties:
	er.rest.format.ERXJSONRestWriter.shouldPrettyPrint=false (set to true to enable)
	er.rest.format.ERXJSONRestWriter.prettyPrintIndent=2 (or your preferred indent)
Make constant values final
Fix test for Memory, which throws "not implemented"  exceptions on certain SQLExpression calls.
Merge branch 'integration' of https://github.com/projectwonder/wonder into integration
Removed console statement that was triggering error in IE9