Updated dependencies for Angular 9.

• Updated dependencies for Angular v9
• Default value can be empty in calendar input field
• Add support for null dates and clearing date selection
• Added Temporary Fix For Responsiveness
• Custom placeholder and dates prefixes

The above releases include fixes from #12, #24, #32, #36 and #51.
Many thanks to @tpostaire , @kumar-sanjeet1 , @amccarthy , @narenkram and @reva2 for their PR's, time and effort to make this component better 👍
Please let me know if you would like to be a co-maintainer .
I will also be soon getting back to providing support and porting this for v12.

Multiple controls on same page & reset API

• Moved providers at component level to allow multiple controls with respective states.
• selectedDateRangeChanged should not be triggered on cancel click
• Add resetDates(range: Range) method
• Update tests
• Fix ts-lint errors

The above changes fix issues #4, #7 and #11

Multiple controls Stackblitz example

Custom placeholder and date prefixes

• Config driven custom placeholder and date prefixes.
• Updated support for Angular 6.1
• Fixes issues #8 and #10

Big thanks to @reva2 for PR #12 and fixing the above issues. 👍

Exclude BrowserAnimationsModule import to fix lazy loading.

Fix for #2 .
Exclude BrowserAnimationsModule import to fix issue when used in shared/lazy loaded modules as per #5684

Exclude BrowserAnimationsModule import to fix lazy loading.

Fix for #2 .
Exclude BrowserAnimationsModule import to fix issue when used in shared/lazy loaded modules as per #5684

Position strategy fix and enable animation

• Position strategy fix
• Enable animation
• Config options upgrade

Compatibility update with Angular v6.0

Major version 1.0.0 release compatible with Angular v6.0

First release with full compatibility upto Angular v5.0

First release with full compatibility upto Angular v5.0