added lines to grab Level_2 archives from the two other BCRs
commented out the call to wget_biotab.sh -- it is obsolete now that
the Level_2 archives are being submitted by the BCRs
minor modification so that the NZC filtering mode can be used on numerical
(eg N:MIRN) features, not just on binary features
bumping version for bugfix release
adding import of required perl config variable util
adding TCGABINARIZATION_DATABASE_DIR variable + documentation. this is the path to databases expected by binarization scripts.
improving error messages
updated global config var dictionary name to  gidgetConfigVars
moving to using configurable variables instead of hardcoded paths.
updating global config var dictionary variable name
adding MAF config variables to centralized config location
moving to centralized config var utilities
updating path to centralized utils
Merge branch 'develop' into feature/common-utilities