Merge pull request #35 from alneberg/master

Files for automatic documentation generation on readthedocs.org
New documentation for sample status script
Merge branch 'reference_genome'
Documentation for reference genome script
Merge branch 'master' of github.com:SciLifeLab/genologics
Epplogger can now be used without log file
Use None as default for log file
Merge branch 'no_log_option' into test_merge

Conflicts:
	docs/scripts.rst
None instead of stdout as default log file for amount script
Merge branch 'amount' into test_merge