massive update

* add buffer to :open/tabopen complition
* get ride of jquery in flvcd
* add :tabcloseduplicates to close duplicated tabs
* add :ramback command kanged from ramback extention
* use solarized colorscheme
* add pocket bookmarklet
* remove tabs deduplication
bootstrap

* remove tabgroupsmanager settings
* disable some firefox optimization
* disable checkCompatibility of next firefox release
add rangefinder-hack
use mplayer to play in flvcd
use Cousine as fixed font
fix bug of setting compatibility
css: only hide close button on selected tab
shorten http connection timeout
<Leader> is depreciated
add mplist script to flvcd
rangefinder-hack is no longer needed as of firefox 18
scripts/mplist: fix typo
delete some local copy, use those from upstream instead

caret-hint.js chinese-hints.js readability.js walk-input.js are from
grassofhust's github.

now use mr to fetch and use upstream files directly, see .mrconfig for
more info.
tabgroupie: tgroup-change -> tgroup-move
check if plugin exist when setting plugin option
add ipad and nexus 10 useragent
add custom google css
delete center_select
delete longjump.js, use `[d' `]d' instead
make sure *.penta load after *.js