Merge pull request #13 from killeryyl/master

导航固定效果自动切换的bug
Fixed code style
Fixed assert message
no support ":type" style variable
use html filter default
add guid prefix
revise comment
Made Observable lazy initialized so that inheriting objects are not required to call Observable constructor on their constructors
Fixed a bug that sends wrong arguments to inline event handler
Added change event to Model objects which fires when set or remove a property
Unified AMD exports style
Added AMD loader plugin to load templates
Fixed stupid typo
Fixed this value in Deferred's callbacks to its Promise object
增加翻页和图书阅览