Update README
Update README
Remove Google Closure Compiler
Update devDependencies
Use uglify-js instead of gcc
Improve gzip size
Rebuild packages
Rebuild packages
Improve isType function for reducing gzip size
Rebuild packages
Tweak code style
Rebuild packages
Replace *1 with +. close #860
Fix sha-bang
Add -e option to escape \t
Use '$()' instead of '``'
Merge pull request #895 from dhcmrlchtdj/study

Improve tools/size.sh
Reduce file size through DOM Level 1 API. close #898
Rebuild packages
U: fix seajs-debug test case