fix(ngShow): ensure that the display property is never set to block

Fixes #7707
chore(jqLite): remove special characters from the expando property

Having special characters in the expando property created a memory bloat.
See https://code.google.com/p/chromium/issues/detail?id=378607#c6 to reproduce

Closes #7701
test(jqLite): adapt tests to new expando name
test(jqLite): adapt missed test to new expando name
test($http): test that timed out $http request rejects promise

Closes #7688
Closes #7686
docs($http): remove duplicate 'to' in withCredentials description

Typo in $http config documentation

Closes #7731
chore(CHANGELOG.md): add changes for 1.2.17 and 1.3.0-beta-11
docs(tutorial): mention additional Debian install step

Thanks to GSC Leticia (gsc-leticia) for identifying this problem.

Closes #7665
perf(isArray): use native Array.isArray

see benchmark: http://jsperf.com/isarray-performance

Closes #7735
docs(error/$rootScope/inprog): improve understanding and diagnosis of the error

See #5549
docs(guide/databinding): add line breaks after images

This looks much better, thanks a bunch @NV

Closes #7748
docs(CHANGELOG.md): remove mention of strict-DI from v1.2.17

Strict-DI feature was originally merged into v1.2.x, but was reverted by https://github.com/angular/angular.js/commit/373078a94cf3d525b9ae11a2f2876acb6e26f6a3
docs(ngController): improve wording
docs(guide): add ngTagsInput to UI Widgets
docs(guide): add UI-Map to Complementary Libraries
docs(guide/index): add codeschool link
feat(attrs): trigger observers for specific ng-attributes

When an observer is set to listen on the pattern, minlength or maxlength attributes
via $attrs then the observer will also listen on the ngPattern, ngMinlength and the
ngMaxlength attributes as well.

Closes #7758
docs(error/$sce/unsafe): suggest including ngSanatize
feat(ngInclude): emit $includeContentError when HTTP request fails

This adds a scope event notification when a template fails to load.

This can have performance implications, and unfortunately cannot at this moment
be terminated with preventDefault(). But it's nice to be notified when problems
occur!

Closes #5803
docs(tutorial/step_09): note about 'Filter' suffix

Reminder that 'Filter' is appended to filter names when injected.
Link to Filter guide where this is mentioned.