[builder] Add support of a directories list (#173)
[scripts] Fix redis script to call requested command with sudo
Update install_redis_ubuntu.sh
[sc-memory] Fix bug with arcs deletion
[sc-memory] Add iterator references system to safe remove of iterated elements
[sc-memory] Add state checks
[scripts] Fix redis install script
[builder] Fix var noorient edges support in gwf translator
[sc-memory] Cleanup code. Add element free lock (one element free at the time)
[sc-memory] Fix error with elements free
[sc-memory] Fix links deletion (remove backward links in file memory). Fix set content function (remove old content and replace it by new)
[sc-memory] Fix bug with arcs deletion
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/master'