Merge pull request #255 from Ansa89/trivial-fix

Fix "error: unknown type name 'off_t'"
fix CPU usage issue regarding audio drivers, courtesy of mannol
keep chatlog names consistent with friend name changes
a couple fixes
What if, like, photosynthesis is a lie?!
core API update and refactor group invites a bit
This should fix audio problem
Merge branch 'master' of github.com:Tox/toxic
bug fixes and code cleanup
fix segfault
add asciidoc and libnotify-dev to install script
small fix and bump version to 0.5.2
don't show version in default status message
new default sounds; rm unused sounds
refine a couple sound effects
forced end of page is not working out
make ctrl-L force refresh the window
replace call sounds

Signed-off-by: Jfreegman <jfreegman@gmail.com>
better data operation error handling
ignore tox_load errors until toxcore is fixed