Adding run script ot increment build numbers

Only increments for release/release-internal.
Adjusting release numbers for normal/internal.

Setting to 4600 and 4700 for now to correspond to 4.6 and 4.7.
Adjusting run script as it wasn't working properly
Adjusting provisioning profiles
Merge branch 'release/4.7' into issue/add-script-to-increment-build-number

Conflicts:
	WordPress/WordPress.xcodeproj/project.pbxproj
Merge pull request #2902 from wordpress-mobile/issue/add-script-to-increment-build-number

Adding script to increment build number