IE8 splice fixes
ie8 global adjustment, lastIndexOf fix
IE8 test completion
prep for 0.5.5
Update README.md
fixes amd bundled named defines
shader test fix
switches to qunit for tests and installs dependencies with npm and bower
convert tests to qunit form, use qunit from NPM as dev dependency
set traceurSrc with paths config
bower qunit install, document tests
only use bower_components for tests
support baseURI-relative baseURLs
move to generalised extensions
Merge pull request #64 from systemjs/extensions

move to generalised extensions
System.meta support
Merge pull request #69 from systemjs/extensions

System.meta support
bump bower version
firebug sourceurl support
support sourceMappingURL