#1798 Putting flashlight server config in different folder
#1799 Passing 0 port to flashlight to disable port mapping
#1798 Pinning flashlight WAN host
#1797 Added papertrail prefix info to each line
Merge pull request #1800 from getlantern/onefiveohtry2

Closes #1795, #1797, #1798 and #1799
#1801 Logging to new Papertrail destination
Merge branch 'devel'