Angular Upgrade + performance + more

[2.7.3] (2018-01-13)

Features

• Navigation events are now dispatched from all relevant components (2552889) closes #329
• moveCalendarTo was added to all components api (349d48c) closes #306
• goToCurrent event was added when go to current button is clicked (c39080e) closes #328 - PR by @justtal
• unSelectOnClick was added, this will disable/enable unselection of already selected date (45e15ac) closes #298

Improvements

• Change changeDetectionStrategy to onPush (a592932, 728b342, 2fb7073) closes #325
• Upgrade to Angular 5 (5abdae1) closes #315
• Upgrade angular-cli (5abdae1)

Bug Fixes

• Updating docs for showing day-calendar api (c5533de) closes #312
• Prevent overriding of form control value from input updates (c96f2) closes #297 - PR by @pklein

Breaking Changes

• Multiselect delimiter changed to | instead of , (8932f52)