Merge pull request #22 from vezzi/devel

NGI_pipeline first working version
WIP writing tests for load_xml_config et al
Merge pull request #3 from NationalGenomicsInfrastructure/devel

Debugging changes from vezzi
Fix up error messages in case of no projects found in flowcells
Change parameter order in conductor main function; change relative->absolute imports; update full pipeline testing script
Remove unnecessary import
Add various notes, modify symlinking/sthlm2UUSNP pieces a bit
Match indentation
Comment out code made redundant by sthlm2UUSNP (may need it later); search multiple locations for Piper global configuration file
Remove unneeded code
Remove yaml config loading; circular import and unneeded. Resolve at some point
Bugfixes
Small note about plans
Merge pull request #25 from mariogiov/devel

Various small updates
Choose better Exceptions
Merge branch 'devel' into tests
Fix typo
More tests
Add Nestor configuration file
+tests