Delete old specs and add more specs for circular modules
Add circular package specs
Add specs for extensible
Add specs for compiling module
Delete old specs
Modify log message
Fix a bug when base is set to root path
Add spec for data-main
Add specs for override
Move dom-ready to research
Add specs for singleton
Tweak code style
Merge pull request #523 from jsw0528/patch-1

Tweak code style
Add specs for duplicate-load
Move ie-cache specs to module/misc
Delete unnecessary files
Delete duplicated specs
Improve code loading logic for invalid uri and add test specs
Add specs for jsonp
Add specs for load-css