first set of changes
added web console for changing dynamicConfigs
added support for dynamicConfigs for Master
changed urls
simplified console code. Added Builder. Fixed urls
removed SlickGrid :(
fixed with Erics feedback
fixed formatting
fixed paths
merged with master
all tests passed. Ready for merge
made volatile. fixed parens
Merge pull request #207 from metamx/dynamicConfigs

Make some master configuration properties dynamically configurable
merged changes with master