Addition of GAttribute and GRelation inadmin data module
add default fiedls tags and content
Merge pull request #288 from Dhiru/mongokit

Addition of default fields in custom apps
login required assign to create new instance of custom app
Merge pull request #289 from krishna31/mongokit

aatribute_type script updated
changed + to + Add in custom app
Merge pull request #290 from krishna31/mongokit

corection done in update_attribute_type_modified.py
Merge pull request #291 from krishna31/mongokit

bug resolved in Make Module occured due to changes in models
Creating history (version-file) for existing GAttribute documents
Merge pull request #292 from AvadootNachankar/mongokit

Creating history (version-file) for existing GAttribute documents
Merge pull request #293 from Dhiru/mongokit

modification in custom apps
get_possible_attributes() function - Includes type_of check
Merge pull request #294 from AvadootNachankar/mongokit

get_possible_attributes() function - Includes type_of check
Urls added: getFileThumbnail and file_detail
Views added: getFileThumbnail and file_detail
Preview thumbnails and details-view updated in the file listing.
Merge pull request #295 from AvadootNachankar/mongokit

Preview thumbnails and details-view updated in the file listing
Few urls updated
Page creation bug resolved - member_of_names_list() function updated
Document-tab updated in files listing (id='view-doc')