added a clarification comment for running xcombine_vol_data
Merge pull request #74 from carltape/master

added a clarification comment for running xcombine_vol_data after generating the databases.
Combine volume data for ADIOS. modified Makefile.in for conditional compilation
text formatted.
temporary fix. different targets for combine_vol_data w/ and w/o ADIOS
Merge pull request #75 from mpbl/devel

Combine_vol_data for ADIOS. modified Makefile.in for conditional compilation
Merge branch 'master' into QA
updates QA with Carl's test commit which was on master branch, but not done in QA