Merge pull request #1 from shreymehrotra/master

Pulling latest commits
Merge remote-tracking branch 'shreymehrotra/master'
Merge remote-tracking branch 'shreymehrotra/master'
updated wiki links
Merge remote-tracking branch 'shreymehrotra/master'
Merge remote-tracking branch 'shreymehrotra/master'
Merge remote-tracking branch 'shreymehrotra/master'
Merge remote-tracking branch 'shreymehrotra/master'
Merge remote-tracking branch 'shreymehrotra/master'
Merge remote-tracking branch 'shreymehrotra/master'
XDI2 link
Merge remote-tracking branch 'shreymehrotra/master'
preserve inner exception in openGraph()
fixing XDI2 link again
Merge pull request #3 from projectdanube/master

pull request