Added rn5_mirna bowtie, bowtie2, bwa index installation.
Merge branch 'master' of https://github.com/chipster/chipster.git
Mirnabase to release notes.
Fix npe when stat queries return empty result.
miRNA 19 added
Merge branch 'master' of https://github.com/chipster/chipster.git
Human, rat and mouse miRBase19 bowtie index files to installations.
Merge branch 'master' of https://github.com/chipster/chipster.git
Put back Mouse miRBase17 in bwa.
Remove old mm miRB17mature bowtie index files.
Merge branch 'master' into data_beta