date-enabled-dates empty attribute now disabling all dates if no arra…

…y of dates is passed through, thanks to @jpchavat #278

fix for active day thanks to @vaggelanos #276

new attribute date-enabled-dates thanks to @jpchavat PR #273

PR #270 release, fix for date parse error when opening calendar with …

…special date format string thanks to @adrianhara

PR number #264, new option disable-weekdays thanks to @fabianoroberto

fix number #257 , show calendar with respect of date format, thanks to …

…@petr-vysotskiy

includes #251 fix thanks to @PizzaPete

fix #249 thanks to @kuzma-sasha

see #243 thanks to @bender404

fix bower sync