Refactoring.
Updated fastclick from version 0.6.9 to version 1.0.1.
Updated AngularJS from version 1.2.13 to version 1.12.16.
i. Task date input:
* Renamed dateTodayDirective to dateInputDirective
* Listen to date input blur event to switch to placeholder text if task has no date
* Show date input instead of placeholder text if task has a date
* Minimalistic date input CSS
* Aligned date input (and placeholder) inside accordion with task title

ii. Edit item dialog header:
* New editHeaderDirective
* Transparent button CSS
* @normal-button-hover LESS variable

iii. Fix pull to next/previous week and date slide fixes:
* Removed transitionSpeed parameter from SwiperService's swipeTo method
* swipeToStaringDay method in DatesController animates swipe in other cases than initialization
* Moved Date slides' subtask initialization from DOM to watch method for active day
* Fixed broken date slides due to ngAnimate with tracking expression in weekdays' ngRepeat

iiii. Desktop menu crossfade in task slides