Merge pull request #105 from tanmaykm/tanmaykm

fix #104 and added Cairo
Merge pull request #106 from tanmaykm/tanmaykm

make session names unique
Merge pull request #107 from tanmaykm/tanmaykm

websocket uses dns name from route53 if configured
Merge pull request #108 from tanmaykm/tanmaykm

fix ping handler. handle route53 on server restart
Update README. Move Installation instructions to INSTALL.md.
Add INSTALL.md
Roles as bit masks
Merge pull request #110 from shashi/role-bits

Roles as bit masks