Custom filtering of FreeBayes with bcbio.variation, falling back on standard hard filters
Merge pull request #101 from mariogiov/master

Expand shell variables into paths in config_utils.py
Update Miniconda download to latest released version. Fixes #100
Merge branch 'master' of github.com:chapmanb/bcbio-nextgen
Use bash shell and pipefail for piped commands to provide better detection of errors during alignment steps. #103
Ensure picard memory options used over gatk if present in resources. Continue to default to GATK if not specified
Ensure QC runs after BAM merging so full files available for summary reports. Thanks to Zhengqiu Cai
Handle checking for VQSR when not doing variant calling
Fixes for single end RNA-seq analysis. Thanks to Shannan Ho Sui
Merge from upstream, resolve bcbio.pipeline.alignment.py conflict