Merge pull request #223 from louipc/master

Add debug flag and update man page.
allow resuming of broken file transfers (needs testing)
separate file transfer updates from callbacks
transfer progress bar fix
error checking for file senders, fixes
Fix Tox/toxic#222 and reorganize cfg dir
Merge pull request #226 from Ansa89/freebsd-man

Fix Tox/toxic#222 and reorganize cfg dir
add command to list pending friend requests, a few related fixes
Merge branch 'master' of https://github.com/Tox/toxic
a few fixes
toxic.conf.example: better formatting
array bounds fix
Merge pull request #229 from Ansa89/trivial-fix

toxic.conf.example: better formatting