Explicit export list in Yi.Buffer.Indent.
First try at achieving magical block autoindent in vim keymap.
Provide autoindenting variant of bdeleteB.
Update module comment for Yi.Buffer.Adjusted.
Remove garbage.
Respect file permissions, if readonly

Fixes issue #145
Use unless
Add deleteRegionWithStyleB in Yi.Buffer.Adjusted.
Vim: Revert behavior of Y

Reverts commit 22c924a
Expand tabs according to config.
Merge pull request #604 from siddhanathan/pull3

Vim: Revert behavior of Y
Merge pull request #603 from siddhanathan/pull

Respect file permissions, if readonly
Merge branch 'autoindent'

Conflicts:
	yi/src/library/Yi/Keymap/Vim/NormalMap.hs