unipept: 2.4

Add an API and documentation Add tests for the ruby on rails app Add a reset button to the visualisations Add the new treeview to the tryptic peptide analysis page Improve the organisation of the tryptic peptide analysis page Improve phylogenetic tree export by hiding internal nodes Improve the LCA calculation code by rewriting everything in java Rename single peptide analysis to tryptic peptide analysis Rename multi peptide analysis to metaproteomics analysis Fix the database to account for bigger uniprot accession numbers Fix the database to account for bigger EMBL and Refseq cross references Update rails to 4.1.4 Update D3 to 3.4.1