[Fix #756] Added helm-ag to auto install list
[Fix #753] Add a note for helm-M-x
Merge pull request #759 from tuhdo/master

[Fix #753] Add a note for helm-M-x
Merge pull request #757 from k1-hedayati/patch-1

Added helm-ag to auto install list [Fix #756]
[Fix #623] Restored kill-region defadvice

When no region selected `C-w` kills current line
[Close #547] Removed ack-and-a-half from prelude
Merge pull request #762 from k1-hedayati/remove-ack

[Close #547] Removed ack-and-a-half from prelude
Merge pull request #761 from k1-hedayati/restore-kill-region-defadvice

[Fix #623] Restored kill-region defadvice
Merge branch 'master' of https://github.com/bbatsov/prelude