add auto upgrade extension script
bootstrap-sass 3.1.1.0 -> 3.1.1.1, susy 2.1.1 -> 2.1.2
using compass 1.0 by defaults
upgrade to compass 1.0.0.alpha.19 & sass 3.3.7
update preference panel
set default compass 1.0
add favorite & history icon
add favorite project function
Merge pull request #241 from HondaDai/auto-upgrade-ext

Auto upgrade extension script
Merge pull request #242 from HondaDai/defaults-compass-1.0

Defaults compass 1.0
Merge pull request #243 from HondaDai/favorite-project

Favorite project
Merge pull request #3 from KKBOX/master

Merge