Makefile: refactoring and adding desktop notifications support
check_features.mk: modify string comparison
Try to support older versions of OpenAL
implement contact blocking
Merge pull request #208 from Ansa89/makefile-update

Makefile: refactoring and adding desktop notifications support
alut is not part of OpenAL.framework on OS X

therefore the linux include path works fine
add help menu for friendlist
another apple include: <sys/syslimits.h>

for NAME_MAX
save last online data in blocked list
endian correctness
Merge branch 'block'
Merge branch 'master' of https://github.com/Tox/toxic
close chatwindow if its associated contact is blocked/deleted
dynamically adjust main loop sleep time according to recommended value
merge