Merge pull request #5 from deverett/master

Changes to instrument-side for BOTPT support.
added -i option for CGs process management.
added comment for identity parameter
lower log level for a couple messages.  They can be expected in
normal operations so they shouldn't be warnings.
Release Version 0.1.13
Bump Version to 0.1.14-dev
Optimize fab to use local clone during release and deploy.  Add options to deploy to both alpha and beta
CG needed the identity option to be a upper case i.  Updated so
both -i and -I work.
Merge branch 'master' of github.com:ooici/port_agent
change default port agent heartbeat interval from 0 to 120 seconds
Release Version 0.1.14
Bump Version to 0.1.15-dev
updated comm listener so it rejects subsiquent connections
make a non virtual method so tests pass.
flatten the comm listener a bit
update port agent to reject connection when a client is already
connected.
Release Version 0.1.15
Bump Version to 0.1.16-dev
fixed reconnection issue with all listener ports.
Release Version 0.1.16