fix(state): allow view content loading broadcast
fix(uiSref): cancel transition if preventDefault() has been called
feat(uiSref): extend syntax for ui-sref

add possibility to pass params to current state without entering state name
Merge pull request #936 from fuzzlemuttons/patch-1

fix(state): allow view content loading broadcast
Merge pull request #966 from romario333/sref-preventdefault

fix(uiSref): cancel transition if preventDefault() has been called
Merge pull request #933 from timsly/current-ui-sref

feat(uiSref): extend syntax for ui-sref
feat($location): allow prevent syncUrl on failure

Check defaultPrevented before syncUrl on failure.