2.22.0: Updated infrastructure, new feature, and multiple bug fixes.

Updates infrastructure components for Tomcat, Java, and multiple JavaScript and Java libraries. Adds feature to allow upload data from NGCHM Viewer to builder. Incorporates updated restructured viewer code. Includes fixes bugs 66, 64, 61, 60, 59, 55, 53, 49, 48, 46, 45, 44, 43, 41, 10.

2.20.3

Bugfix release.

Fixes a bug whereby extracting a covariate from the initial file upload could sometimes result in incorrect assignment of covariate values to labels.

2.15.1

Set to version 2.15.1

2.15.0

Merge branch 'master' of https://github.com/MD-Anderson-Bioinformatic…