fix(pubspec): Add missing upper bound version constraints
chore(guinness): update to 0.1.13

Closes #1257
chore: remove left over injector
refactor(NgModel): simplify some code by using the predefined eqOrNaN()
doc(ast): fix API doc
fix(change_detector): fix NaN move detection in collections

Closes #1136

Closes #1149
fix(ng_repeat): fix ng_repeat not moving views for elements that have not moved

Closes #1154

Closes #1155
chore(travis): fail build if a test has been 'iit'ed

Change the build script to fail if a test was 'itt'ed or 'ddescribe'ed.

Closes #922

Closes #1172
refactor(tests): remove unnecessary inject calls

Some tests rely on the fact that dependencies can be injected into `it`s, but some call `inject` explicitly. This PR makes tests more consistent by removing unnecessary inject calls.

Closes #1218