modified welcome screen
Merge pull request #3 from sstehly/master

merge 2
Merge branch 'master' into sstehly-master

Conflicts:
	Blank/AppDelegate.m
Did some fixes

Still having issue to show Feed view controller in Welcomeview.
Modified Welcome and Topic View
new transitions and changes in topic view
Update README.md
Merge branch 'sstehly-master'
Merge pull request #4 from taabi/sstehly-master

Sstehly master
Merge branch 'master' of https://github.com/taabi/Blank
updated transitions
Merge pull request #2 from taabi/master

Pulling Tabish's commits