prior_node set for all documents in 'get_node_common_fields()' while saving collection_set of node
Added pdf-js dependency in bower
Merge branch 'mongokit' of https://github.com/gnowledge/gstudio into work
Implemented PDF-Viewer in the browser itself.
Added snippet to show PDF for non-collection object
bug resolved in uploading pdf files, also bug resolved in rendering on template after saving resource, commented coverting pdf thumbnail part
Merge branch 'kedar2a-mongokit' into work
Merge pull request #940 from sunnychaudhari/work

Set prior node while saving collection elements of node
bug resolved in info-box
bug resolved while creating multiple subgroup
Merge branch 'mongokit' of https://github.com/gnowledge/gstudio into mongokit