Merge pull request #1 from ipr-sr2/libpcan-7.9

Updatad libcan-7.9 installation and cleand some files.
Merge pull request #2 from ipr-sr2/libphidgets-2.1.8.20130618

Updated version of libphidgets to 2.1.8.20130618.
Merge branch 'hydro_dev' of github.com:iirob/cob_extern into hydro_dev