issue #30 implemented methods to store path for user's profile picture
issue #30 used prefrence helper to store image path at Login Screen for
both Teacher and Student
issue #30 Showing user's profile pic as a thumbnail on options screen
issue #30 layout changes fixed
issue #30 user's profile picture thumbnail is visible and layout issues
fixed
issue #30 user profile photo orientation are fixed
fixed merge conflicts from issue-30 branch
compiled successfully so incremented versionName