[qa] Remove obsolete import of pysvn
Expand piernik_MPI_Allreduce for 2d real arrays
BUGFIX: Calculate omega_mean as a mean for the whole plane rather than one block
Calculate mean omege using cells only in the physical domain. Average directly in fargo_mean_omega
[fargo] removed unused imports and variables
[setup] convert tabs to whitespaces
Merge branch 'fargo_fix' of github.com:Xarthisius/piernik into fargo_fix
Merge pull request #47 from Xarthisius/fargo_fix

Calculate omega_mean for whole plane rather than single block