Significantly improve efficiency of indexing by simplifying and removing regex from props.conf and transforms.conf.
Add url and filename fields and fix major_content_type field
Change field threat_id to threat_name.  Fix threat_id and report_id to match only the numerical identifier in the threat_name.
Content Dashboard: fix issues with data not showing up.
Removed remaining references to "index=pan_logs".  Now the `pan_index` macro is always used, so if you want to change the name of the index, you only need to change it in macros.conf.
Update to latest panxapi (pan-python) library with better support for user-id and ip registration errors.
Support new fields in PAN-OS 6.0, including pcap_id and file_digest
Reverse part of `pan_index` macro commit because macros can't be used with 'collect' command.
Added new config and threat fields to data model.
Updated datamodel to use new WildFire Report XML format version 2.0
When both src_user and dst_user are NULL, set 'user' to 'unknown'.  This allows for better handling of dashboard data.
Change to dashboard form formatting to better work with Splunk 6.1.1
Better debugging and error handling for some custom commands.  Fixed error when adding a tag that already exists.
Traffic Dashboard: minor change to field for more accurate results.
WildFire Dashboard: fix drilldown issue
Update version to 4.1.1 and update readme file.
Merge branch 'hotfix/v4.1.1'