VGL-162:Improve the stability and user experience of VGL
Merge branch 'master' of https://github.com/AuScope/portal-core
Merge pull request #6 from victortey/master

VGL-162 Improve the stability and user experience of VGL
Fixed XML dependencies playing havoc with DOMUtil.java
Merge pull request #7 from joshvote/master

Fixed XML dependencies playing havoc with DOMUtil.java
VGL-162:Improve the stability and user experience of VGL: feedback