Handle bower from gulp.
watch: Reload browser with browser-sync.
watch: Trigger browser-sync after server restart.
Switch to del...

...since gulp-rimraf is deprecated.
Ignore all /npm-debug.log* files.
Fix and complete `npm run clean-*` scripts.
Upgrade gulp-bower to 0.0.7.
Specify bower resolution so it doesn't ask/fail.

`bower install` would ask if resolution is not specified.
`gulp-bower` would fail because it doesn't want to bother the user with that :)
Upgrade angular to 1.3.3.
Don't open the browser automatically.
Add test-client-unit with karma.
Build with Travis CI.
Travis CI: Run `bower install` separately before tests.