Add CSS minification to the build.
Fix #603
Fix #606

Strip BOM characters in embedded JSON resources.
WinJS Toolbar: attached overflowMode updates
Update _Command.js
Update _Command.js
Migrate LESS tests
Migrate Animations
Migrate BindingList tests
Migrate binding tests
Migrate BindingTemplate tests.
Migrate DatePicker tests.
Migrate FlipView tests.
Migrate ListView tests.
Migrate ListViewComponents tests
Fix common type of binding parser tests.
Migrate ListViewIntegration tests.
Fix small issue with test not exiting early on phone.
CR fixes
Fix failing Binding test