Merge pull request #21 from anryko/master

Added naive JSONP supprot
Simple and crude table based connection chart for the selected node.
Adding SVG arrows to node chart.
Create README.md
Put nodes left of node chart.
Show tables only when filled with values.
Merge branch 'master' of https://github.com/lwindolf/DevOps-Trouble-Map
Properly shade out-dated connections too.
Merge pull request #23 from anryko/master

Added host/domain name character check
Use a main function to properly group the code.
Merge branch 'master' of https://github.com/lwindolf/DevOps-Trouble-Map
Properly redirect error messages to stderr to avoid the ending up in node name field.
Fix PID file handling.
Adding node-level connection relation to /nodes call.
Removing irrelavant FIXME.
Silencing kill -0. Fixing node list check. Adding high port handling for outgoing connections.
Fix parameter passing when whitespaces appear.
Fix comment typos.
Allow defining additional internal networks via configuration (Github #18)
Hack avoiding adding one host/Internet/IP to a service multiple time.