Make starting apps from command line easier.

Starting an application from command line is currently cumbersome. The syntax is

appman-controller  debug-application -ioe valgrind Phone

This works only if valgrind was registered in am-config.yaml as a debug-wrapper.

Can we have a more natural way of starting apps and applying tools?
For example the Phone app without tools would be started as

appman-starter Phone

The same should work with a tool like gdb or valgrind. All parameters and environment variables of the command line should be passed on to the app. For example

QSG_INFO=1 appman-starter valgrind --tool=massif Phone