Merge pull request #398 from nabinhait/hotfix

Added missing field in Custom Field compared to DocField
bumped to version 3.7.0
Merge branch 'develop'
set default condition only if not conditions in filters
Merge pull request #400 from nabinhait/hotfix

Delete notification count for messages, after read or post
Merge pull request #399 from akhileshdarjee/hotfix

set default condition only if not conditions in filters