Merge pull request #105 from deepak496/parent_profile

Parent profile
changes for messaging functionality
Merge pull request #106 from deepak496/message_func_branch

changes for messaging functionality
added database.yml
Merge pull request #107 from deepak496/message_func1_branch

added database.yml
removed unwanted migrations
Merge pull request #108 from deepak496/message_func2_branch

removed unwanted migrations
admin changes, category section upload picture , course edit error fix