Merge pull request glushchenko#1225 from nth-chile/indent-using

Replace spacesInsteadTabs with indentUsing

- Fixes iOS build

- Adds checks on external projects removing glushchenko#1183

glushchenko#1226

glushchenko#1226

Fixes for Arabic translation

Merge pull request glushchenko#1219 from pazner/hebrew-rtl-autolayout

Constraints-based layout (autolayout), RTL support, Hebrew localization

- Fixes prev/next notes selection

glushchenko#1177

glushchenko#1177

glushchenko#833