to compress final css
fake History API implementation
added minimal ui and minor adjustments
minor bug fixed
menu toggler for mobile device
minor fixed
merged sections into index and minor rearrangement

load pages with JS might cause excessive requests
removed unnecessary files
original dataimg sources
added back site branches' icons
minor adjustments
jekyllified and attached hyperlinks to wiki articles
added back dataimg
tried fixing consistently-scrolling issue on IE10
tried fixing consistently-scrolling issue on IE10
modified gitignore
deleted unnecessary files
bug fixed
Merge pull request #1 from aaronliu0719/opt

merged opt