Merge pull request #243 from Ansa89/trivial-fix

Makefile: use single quotes also for PACKAGE_DATADIR
Update screenshot
Merge pull request #246 from urras/patch-2

Update screenshot
load chatlog history when opening a chatwindow
increase line_info msg buffer size so won't cut off long log lines
use proper variable type for sig handler flags
don't share chatlogs across data files (changes log naming convention)
bigger log identifiers to reduce chance of collision
small fix
There's no need for rm -rf, just rm -f
Merge branch 'Pyrohh-master'
set signal handlers at more appropriate places
rename reserved identifiers per C standard
update makefile checks
fix for issue #254
more thorough error checking
more succinct way to get file sizes
use 64-bit off_t for file sizes
a few general fixes
move to page end after pressing return