README update

Added the quick installation guide and extended the support / community section
Corrected the lines
Updated Bootstrap Datepicker to 1.3.0
Update files for new datepicker

- Updated HTML where the datepicker is used
- Fixed JS function in scripts.js which was interfering with the new datepicker
- Removed readonly markings
- Fixes #54: Calendar overlap issue
merged datepicker CSS to style.css
Updated the minified CSS and JavaScript files
README update
Corrected setup language sting
Smaller UI corrections & improvements
Updated setup files for versioning
Import datepicker.css in style.scss
Merge remote-tracking branch 'invoiceplane/development' into datepicker-update

Recompiled minified assets.

Conflicts:
	assets/default/css/style.css
	assets/default/js/scripts.min.js
Rename bootstrap-datepicker.css

Rename bootstrap-datepicker.css  to .scss so SASS includes the file in the compiled style.css.
Merge pull request #61 from Jadaw1n/datepicker-update

Datepicker update, solved #54
Log path should be writeable too.
"Undo" of commit 56d518a because of broken calculations
Removed Ping function from setup controller
Updated setup files for versioning
Merge branch 'master' into development
(Reverted 56d518a + setup versioning updates)
Merge branch 'mail-template' of github.com:Jadaw1n/InvoicePlane into Jadaw1n-mail-template