nf-core/tools version 1.2

• Updated the nf-core release command
  • Now called nf-core bump-versions instead
  • New flag --nextflow to change the required nextflow version instead
• Template updates
  • Simpler installation of the nf-core helper tool, now directly from PyPI
  • Bump minimum nextflow version to 0.32.0 - required for built in manifest.nextflowVersion check and access to workflow.manifest variables from within nextflow scripts
  • New withName syntax for configs
  • Travis tests fail if PRs come against the master branch, slightly refactored
  • Improved GitHub contributing instructions and pull request / issue templates
• New lint tests
  • .travis.yml test for PRs made against the master branch
  • Automatic --release option not used if the travis repo is nf-core/tools
  • Warnings if depreciated variables params.version and params.nf_required_version are found
• New nf-core licences subcommand to show licence for each conda package in a workflow
• nf-core list now has options for sorting pipeline nicely
• Latest version of conda used in nf-core base docker image
• Updated PyPI deployment to correctly parse the markdown readme (hopefully!)
• New GitHub contributing instructions and pull request template