Merge branch 'release/0.3.0' into develop
DAHDI comes from another home

See http://lists.digium.com/pipermail/asterisk-dev/2014-February/065442.html. Hopefully this will be resolved soon and this can be reverted.
Install the correct dev package on CentOS
Update dev dependencies
Unlock dependency on build-essential for broader compatibility
Update unimrcp dependency to stable release
Ensure apt cache is updated for testing
Bump to 1.0.0
Merge branch 'release/1.0.0'