Merge pull request #112 from keithj/devel

Test configuration changes to avoid false failures
Add :min_cr to list of valid args
Bumped version number to 0.7.6
Merge pull request #113 from iainrb/devel

Bump version to 0.7.6 & bugfix in genotype_illuminus.rb
Removed extra punctuation in docs
Publish analysis to a hashed path

Assign iRODS group ownership automatically

Avoid redundant metadata updates