Splash

[himanshuguptagit]

Checklist

• There is a corresponding issue for this pull request.
• My branch is up-to-date with the Upstream master branch.
• The unit tests pass locally with my changes (provide a screenshot or link for test)
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

Short description of what this resolves:

Continued working on the project. Added splash activity and basic layout for login Activity.

Changes proposed in this pull request:

• Splash Activity
• Login Activity
• Logout

[xeon-zolt]

@himanshuguptagit your branch is not uptodate due to which their are merge conflicts