added support to update the content last modification
Revert "added support to update the content last modification"

This reverts commit 8daf8e3975fbcc31bc934479871906d91a0707c3.
Merge remote-tracking branch 'gooru/master'
Added fix for NPE
Added support to json based param in getmyclasspage
Added filter support  for library standards based on root node ID
Merge pull request #95 from skpcharles/master

Added support to json based param in getmyclasspage
Change cache key for fetch collection library data
Merge pull request #96 from sheebans/master

changed cache key for fetch library collection
Added support to show only Gooru course
Merge pull request #97 from sheebans/master

Added support to show only Gooru course
Added support to CORE-717([GAT] Need API for List of Folders)
Merge remote-tracking branch 'gooru/master'
Added fix for When TEKS is unchecked in standard preferences even CC and CA standards are not shown in search
Merge pull request #99 from skpcharles/master

Added fix for When TEKS is unchecked in standard preferences even CC and...
Updated few changes to CORE-717([GAT] Need API for List of Folders).
*Fixed CORE-435 Two resource using same item sequence
Merge pull request #98 from saravanab/master

Added support to CORE-717([GAT] Need API for List of Folders)
Merge pull request #100 from cyrilraja/master

*Fixed CORE-435 Two resource using same item sequence
Implemented CORE-733 Merge partner related search support to gooru.