setup bower install path

Prior to this commit bower installed the packages under the default
path: bower_components. With this commit we set the bower install
path to vendor/bower.
add d3 dependency for AppsGate.Debugger
add AppsGate.Debugger dependency
introduce AppsGate.Debugger v0.0.1
Merge pull request #119 from barraq/YeastLab-traceManager

Introduce AppsGate.Debugger to AppsGate client