Merge pull request #8 from MaticFri/master

hierarchical graph start
Tidy up work
Tidy up work
pep8 code standard
Simplified code for conversions
Made some parsing of supplement (backside functions)
Corrected table columns distribution
Backend serving api
Made allGenes keyed by all attributes
Tidy
Backend finished: experiment, profile, allGenes, comparison
Tidy up
Merge pull request #9 from lukaw3d/master

Backend parts finished: experiment, profile, allGenes, comparison
Gene selection connected to backend
Merge pull request #13 from lukaw3d/master

Gene selection connected to backend
Correct content types
Merge pull request #14 from lukaw3d/master

Fixed backside's content type on http responses
Connected with backend