GenCode - Add an optional caching mode.

If CIVICRM_GENCODE_DIGEST is set, then GenCode will write out a digest of
all its inputs & templates. If someone tries to rerun with the same inputs,
then GenCode will do nothing.
GenCode - Ignore cache/digest if some key files are missing
manually patched d93e2b4
CRM-13938, added table info

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* CRM-13938: Create Annotations for entity files
  http://issues.civicrm.org/jira/browse/CRM-13938
CRM-13938, add fk / join annotation

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* CRM-13938: Create Annotations for entity files
  http://issues.civicrm.org/jira/browse/CRM-13938
by default set entity generation to false CRM-13938

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* CRM-13938: Create Annotations for entity files
  http://issues.civicrm.org/jira/browse/CRM-13938
minor fix for entity generation
HR-231 : support for Report menu items based on grouping
Merge pull request #2533 from yashodha/4.4

HR-231 : support for Report menu items based on grouping
CRM-14243: 'ts' fix for file upload description.
Merge pull request #2534 from mlutfy/4.4-crm14243-tsfix

CRM-14243: 'ts' fix for file upload description.
HR-216 - crm.backbone.js - Allow limiting the return to specific fields
Merge pull request #2536 from totten/4.4-backbone-return

HR-216 - crm.backbone.js - Allow limiting the return to specific fields
CRM-14253 - CRM_Utils_REST - Read $_GET/$_POST but not $_COOKIE
HR-216 - Setting.API - Ignore "options"
HR-216 - civicrm.css - Use same styling for "crm-button" in ".crm-container" and "#crm-container"
CRM-14241, fixes to generate both DAO and entities

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* CRM-14241: setup new repo for doctrine integration work
  http://issues.civicrm.org/jira/browse/CRM-14241
GenCode - Ensure separate temp dirs on multi-user system
Merge pull request #2541 from totten/4.4-gencode-uid

GenCode - Ensure separate temp dirs on multi-user system
Merge pull request #2537 from totten/4.4-rest-cookie

CRM-14253 - CRM_Utils_REST - Read $_GET/$_POST but not $_COOKIE