remove new editor mode (revert d42ee690)
(cherry picked from commit 21dedab)
EA-55239, EA-55618 - IllegalArgumentException

(cherry picked from commit 5bc3f1d545e5f29820b3215d842cad0486d65c47)
IDEA-122405 Indent selection is disabled in IDEA 13.1

(cherry picked from commit 390d102f1c383eec86732348d72fbdfb7d67e140)
fix Tab behaviour when there's selection

(cherry picked from commit b3c2e61aa80e8f96205cc17d5c198deddb93bc47)
fix Tab behaviour when there's selection (fixing test data)

(cherry picked from commit 527f08f971658c968c9e4b0a8ba01c1ed0515558)
fix Tab behaviour when there's selection (fixing test data)

(cherry picked from commit 9f55d610dbe6b0aa695bdd05e3d894e6255804a6)