Merge pull request #73 from tperez4/develop

Username and password text checking implemeneted for login page.
Connecting friends list view

Issue #74
Merge branch 'develop' of https://github.com/k22mak/RUSocial into develop
Connected messages with layout

Fixed #74
Imeplemented more validity checking for login and new message activities.
Minor layout changes.

Issue #39
Merge branch 'develop' of https://github.com/k22mak/RUSocial into develop