minor .ggo typoes
fix revision error message
add missing yajl_complete_parse to sxc_filemeta_new
disable proxies for make check (bb#774)
fix handling of invalid volume names (bb#738)
Check if volume size fits in cluster capacity (bb#668)

Fix tests to honour checking if volume fits in cluster capacity, used
volume size was exceeding cluster capacity. Add test for too high volume
size.
Introduce volume size enforcement (bb#669)
Add test for volume size enforcement.
Do not upload recursively when we have 507 status
Report current volume usage