Removed layout related margin from page-header

.. and moved it to a separate class called "page"
Monthly calendar and filter item styles
Monthly calendar template
Wiring up Monthly event calendar

To do
. get event data between dates
. wire up next month events
. share code between monthly and weekly calendar
Adding column name for better performance
Sample event calendar layout
Adding page-section module

Adds a nice grey background to it
Some placeholder for event form template