Remove nxhtml.
Fix bug on c-mode-base-map.
Use build-in linum-mode instead of wb-line-number.
Turn on global linum mode.
Support "C-o" as helm-bookmarks hotkey in dired-mode.
Add emacs-window-manager.
Add window numbering.
Implement mirror view mode.
Change mirror-view's short cut into C-m.
Add tab bar.