Merge pull request #67 from brainstorm/master

Global var substitution is evil, send_couchdb apparently broken
add license and citation

@arvestad @brainstorm @guillermo-carrasco
what do you think
Compact couchDB authentication
Store the correct value in couchDB
Add information about how to create the DB configuration file
Merge pull request #69 from guillermo-carrasco/master

Update tests results to iriscouch
Removed out-of-date help text
Added description about virtualenv
Merge pull request #71 from guillermo-carrasco/master

Added description about virtualenv
Merge pull request #70 from arvestad/master

Removed out-of-date help text

Thanks Lars!
Extend simNGS test to generate 100 simulated reads from each organism and spike an ecoli read on each of them