pfSense

Create some symlinks inside pbi dir to reduce differences between 2.1 and 2.2 and avoid the need to change a lot of PBI scripts

Merge pull request #1034 from vsquared56/master

Replace Header() calls by lowercase

Merge pull request #1222 from phil-davis/patch-8

Bring the code of captiveportal up to speed with its module counterpart requirments

Fix i386 default URL for snapshots

Fix #3665, show IPSec tunnel description on status page

Fix #3702, make sure tunnel inside IP is set when interface changes

Fix #3700 and other syntax issues:

- Remove G parameter from pfctl since it doesn't exist anymore
Initialize $old_router
- Fix sh syntax on variable assign, it couldn't have space before =
- Simplify logic
- Avoid flush states twice, if it was done on IP change, don't do it...

Add some protection to parameters that come through _GET