fix eshell init error when hg/git not installed
add package nc
add command maximize-frame
move vc-related stuff to init-vc.el
add cl-lib 0.3
replace ack.el with another one from https://github.com/leoliu/ack-el/ which supports color & git grep
add package sr-speedbar
add _extra to load-path for emacs < 24
various small tweaks.
add some info files.
Update highlight-symbol.el to 1.2
add new package bmz-window-misc.el
move window-toggle-split-direction to bmz-window-misc.el
Fix info index.
Add package persp-mode.el.
delete some themes (moved to dotemacs-extra repo)
remove yasnippet (moved to dotemacs-extra)
adjust init script according to package removal
remove vimpulse.el
add theme subatomic256.