pfSense

Comment out static mappings, this needs more research

Fix merge conflict

Swap if statement, add fields into ipsecpinghosts file

Correct ping hosts functionality for > 1 tunnel. Add v6 functionality

Fix ticket #1126

Change wording

Fix the IPsec ping hosts file generation. This only worked for the last
tunnel

Merge remote branch 'upstream/master'

Keep a table of gateways we added for static routes to prevent us from making multiple entries to the same IP address

Add code to allow custom upgrade code to run after the pfSense upgrade code for the same version switching(Just the custom upgrade functions should have _custom at the end of their name.