Build Unarchive: set data directory ot disk alloc abs path
CHANGELOG: Generate indel vcfs in combine operations. Create an indel TCGA file in somatic variation.
Merge branch 'indelvcf' into gb_master
updated ur submodule to c0cdbae
make kilobytes_requested test fuzzy

kilobytes_requested is estimated based on an expected compression and
may vary depending on the version of the compression library.
override max_memory with custom accessor

Workflow does not yet support dynamically changing lsf_resource so we
have to throttle max_memory based on the LSF environment. We would
probably also want to do this based on available memory if outside LSF.

Set default LSF memory to 16 GB based on previously hard-coded value in
Genome::Model::SomaticValidation::Command::ValidateSmallIndels.

Had to change max_memory format to be explicity in GB.
remove unknown property: large_indel_output_bed
do not copy UR::Objects
skip . and .. dirs instead of expecting readdir to be sorted

The . and .. dirs did not come first on some hosts so this changes them
to be skipped as the parent directory is read instead of having to
assume they come first.
Avoid a warning about calling defined() on a list