override tastypie to make it fast enough
fix the base tags
remove unused dehydrate fields
better category and keywords count
Merge pull request #1532 from mbertrand/services_gn

Services as core module
fixes issue 799-windows upload file locking
Merge pull request #1536 from nathanhilbert/windowsupload-799

Windows upload 799
add denormalized fields for apis
fix api for item detail
Merge pull request #1537 from simod/tastyfast

Speed up the api and api usage
Corrected default values for MODELTRANSLATION_LANGUAGES in settings
Merge pull request #1539 from gamesbook/lang

Corrected default values for MODELTRANSLATION_LANGUAGES in settings
Patch for issue #1528
Documentation patch for issue #1528
Merge pull request #1540 from gamesbook/layer

Patch for #1528
Add layer attributes to remote service layers
Recommit changes to layer_detail page
A few bug fixes
Merge pull request #1541 from mbertrand/services_gn2

Add layer attributes to remote service layers
fix group list and group detail
Added upstream library required for psycopg in dev install document
Merge pull request #1546 from gamesbook/install

Added upstream library required for psycopg in dev install document