Fixed error in documentation.
Set specific text style for element with the date today.
Addes styles for date active and date inactive elements.
Created styles for single grid cell.
Created styles for the calendar month layout.
Created style for general separator.
Refactored colors.xml. Removed unnecessary colors and renamed the most of them.
Created style for weekname textview.
Removed unnecessary files and values.
Refactored some code for better readability.
Set the parent of the today style to dateactive.
Created static constant class which contains dateformates.
Changed minSdk version to prevent error in MonthListAdapter.
Implemented ViewHolder in the MonthListAdapter.
Added ViewHolder to the DayListAdapter.
Implemented ViewHolder to the DayGridAdapter.
Refactored Example project for better readability.