Updating to 4.2.1
Temporarily disable REST for Jetpack sites

It just doesn't work when the JSON API module is disabled.
Also, there are some issues where failed uploads don't show any error.
Merge pull request #2279 from wordpress-mobile/issue/2258-rest-jetpack-fail

Temporarily disable REST for Jetpack sites
updates en_US strings for 4.3
Merge pull request #2288 from wordpress-mobile/feature/strings_for_4.3

generates en_US strings for 4.3 for GlotPress
Merge branch 'release/4.2.2' into release/4.3

Conflicts:
	WordPress/Info.plist
Merge branch 'release/4.3' of github.com:wordpress-mobile/WordPress-iOS into release/4.3
adds release notes for app store
Merge pull request #2289 from wordpress-mobile/feature/updates_app_store_release_notes

adds release notes for app store
Fixing version number in WordPress-Internal-Info.plist.
Prevents hitting callback when the instance was released
updates strings for IT and NL
adds pt-BR and en-GB languages to ruby script
adds translations for en-GB and pt-BR
Merge pull request #2301 from wordpress-mobile/update_translations

Update translations
Merge branch 'release/4.3' into develop

Conflicts:
	WordPress/Classes/Models/Blog.m
	WordPress/Classes/ViewRelated/Reader/ReaderPostDetailViewController.m