
methods read_config and import_vars added to load config files at runtime
and add the imported variables to the name-space

Ensembl/ensembl-analysis,james-monkeyshines/ensembl-analysis,mn1/ensembl-analysis,james-monkeyshines/ensembl-analysis,mn1/ensembl-analysis,Ensembl/ensembl-analysis,kiwiroy/ensembl-analysis,Ensembl/ensembl-analysis,kiwiroy/ensembl-analysis,mn1/ensembl-analysis,james-monkeyshines/ensembl-analysis