cleanup e.printStackTrace() use

Ran across a use of e.printStackTrace() in runtime code where logging needs to be done instead. Looks like there are a few instances of this:

AppServiceControl.java
Executable.java
Invocation.java
IotfDeviceCommands.java

There are also numerous uses in console/servlets. Do those need to be fixed too?

$ cd incubator-quarks
$ grep printStackTrace `find . -name *.java | grep -v test`