IGBD-425
Updating the loadFeature content to load data set

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15984 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Cleaned bookmark code, added a root page with helpful links, added IGB.js (but currently commented out),found a potential bug on how IGB is handling links (which can be found in jira).

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15985 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Merge remote-tracking branch 'upstream'