fix(directive): missing watch for expression within elements text nodes

Fixes #701
Add fixup/typo fix 31c0356
Upgrade TravisCI logo with SVG
Remove BitDeli tracking (does not work anymore)
Add top banner badges for latest version, status, license
Add sections for contributions and tests
chore(*): upgrade karma (new jasmine), add coverage
Enable auto upload of coverage to code climate
chore(*): Replace ngmin w/ ng-annotate
Fix coverage pattern
Bump version
Merge branch 'canary'
Bump version
Merge branch 'canary'
Append changelog 2.5.2