Merge pull request #901 from jay-hodgson/SWC-1284

SWC-1284: remove BadRequestException special message handling now that r...
Merge pull request #906 from dburdick/swc-1069

Swc 1069 develop
Merge branch 'release-37' into develop
optimize top offending js, improve browser caching, and move big many images into gwt controlled resource space
cache all other resources for 8 hours intead of 6
Merge pull request #908 from jay-hodgson/develop

optimize top offending js, improve browser caching, and move big many ...
swc-1300 - send null values instead of empty string in rows
Reenable Date, fix styling, bring DatePickerNullTolerant up to GWT 2.5
clarify differences