Removed json-xx module dependencies from the requires list
- removed debug log statements that should not be using Y.JSON.xx
- restored 'json-xx' module in util.common.js (that is deployed to client)
Merge pull request #521 from imalberto/fix-yjson

Replace Y.JSON.xxx with JSON.xxx for server affinities (faster)
Merge branch 'develop' into develop-perf
delinted
Merge pull request #524 from drewfish/perf-jslint

delinted
Fix action-context tests
pulling changes from develop-perf
removed commented unused model
Merge pull request #527 from imalberto/fix-test1

Fix action-context tests
adding metric for the handlebars renderer engine
fixed action context unit tests
the store also now needs mojito-perf
fixed a few store unit tests
matched updated API for mojito-perf
fixed copy-and-paste error
Merge pull request #531 from drewfish/perf-unit

fix some store unit tests in develop-perf
need to do a recursive merge, since deep datastructure can polute between callers
Merge pull request #528 from caridy/rendering-perf

adding metric for the handlebars renderer engine
FIX for caching renderers for affinity server only