2010-08-19 : dimensions were always stored as double regardless of what the table wanted. Fixed

2010-08-19 : go thru cmor_create_path to figure out isfixed and set frequency, even if directory layout is not required.
2010-08-19 : checker: works with version number of format major.minor.patch
2010-08-19 : checker: update git url from wich to fetch md5s tables
2010-08-19 : forcings attribute can now end with notes in between parenthesis