Merge pull request #16 from saurabhsjoshi/lollipop

Lollipop
Merge branch 'lollipop' of github.com:saurabhsjoshi/VITacademics-for-Android
cleaned codebase, modified .gitignore and added travis CI
.gitignore changes
added play services to travis CI
added play services version
changed facebook target sdk to 21
addded Secret.java file generator bash file
Merge pull request #22 from sreeram-boyapati/lollipop

Travis CI file added and .gitignore has been modified.