Added Alert View to check minimum images selected before pressing upload.
Added new images for Dropbox and Flickr.
Added Inset correction if single account is selected.
Updated Inset corrections.

-Storyboard changes : increased width of account image view.
Updated Inset values.
Merge pull request #18 from shahmharsh/Rakshit

Added Alert View to check minimum images selected before pressing upload...
Merge branch 'master' into Harsh

Conflicts:
	SharePic/HRConstants.h
	SharePic/HRConstants.m