Weekly Daily View

Reverted some changes that merged seems to have overridden. 
Removed some code.

Some extra information : https://github.com/Serhioromano/bootstrap-calendar/issues/401

This are a lot of changes in order to accommodate the somewhat correct viewing of days and weeks like a proper calendar. 

Sergio, we need to discuss the code before merge so you can understand what is going on in there why i did some changes and what you might believe might be some better changes.

Either from here, on chat or email.



You should not change default value for first day. YOu can switch it in the demo during development. Or change only during development but not commit for final PR.