Updated exon count manuals.
text changes to Retrieve unique alignments from BAM.
Made a manual page for "Retrieve unique alignments from BAM".
Updated release notes.
Updated NGS tools list.
Updated Tech manual link.
NGS tools reorganized in the client.
Merge branch 'master' into data_beta
Merge branch 'data_beta' of https://github.com/chipster/chipster.git into data_beta