Fixed filesystem deletion - it's asynchronous operation.
Fixed crashing create_vg with nozero extent size.
Fixed 'lmi lv create' command crashing when reading VG extent size.
Fixed str2size returning 'long' instead of 'int'.
Fixed import of formatter commands.
Fixed "lmi raid create" throwing error on parsing RAID level.
Fixed several bugs in lmi partition metacommand.
Fixed retieval of logical partitions.
Add some basic tests.
Add tests for 'lmi storage' and 'lmi mount'.

Also fix discovered errors.
Fixed printing of table items to pipe.
Merge pull request #32 from jsafrane/devel/testsuite

Add storage testsuite and fix discovered errors.