Eventlog input timestamp fix and a few other minor fixes.

Added missing racob_fix hack which was removed in last commit.
Fixing eventlog timestamp format as it was not setting the offset properly.
For example, a WMI timestamp of 20130612195854.000000-000 was being set to 2013-06-12T19:58:54-07:00 where it really should be 2013-06-12T19:58:54+00:00 since there was no offset (-000) in the timestamp. The new logic takes the offset provided by the timestamp and handles it as necessary rather than just adding the offset of the current timezone.
Fixing typo in wmi input.
Fixing typo in regex for eventlog timestamp.