Don't allow to set service retirement date to the past

This fix initializes the dhtmlXCalendarObject when setting
service retirement date in such a way that it would not
render past days as selectable.

This effectively disallows to select a date in the past
for service retirement.

https://bugzilla.redhat.com/show_bug.cgi?id=1124555
Added default setting for Cloud Provider Quadrants

Added setting value of Yes to DEFAULT_SETTINGS for Cloud Provider Quadrants in Configuration => Settings

https://bugzilla.redhat.com/show_bug.cgi?id=1114086
Merge pull request #401 from GregP/ems_quads_checked_by_default

Added default setting for Cloud Provider Quadrants
Remove temporary CA

https://bugzilla.redhat.com/show_bug.cgi?id=1130658
Merge pull request #392 from mzazrivec/fix_service_retirement_date

Don't allow to set service retirement date to the past
Merge pull request #402 from kbrock/remove_old_ca

Remove temporary CA