README: updating to latest OpenEmbedded Core development with boost patch
catkin.bbclass: adding .debug files to the dbg package

In the topic-tools recipe, a QA error was raised as the .debug files were put
into the main package. By adding this line in the catkin class, the files are
now placed in the dbg package.
roslaunch: adding all runtime dependencies to get roscore starting up

For starting roscore, it requires a number of runtime dependencies.
At the moment, all runtime dependencies, even recursive runtime dependencies,
are added only in the roslaunch recipe. Hence, the recipe contains all
runtime dependencies.
At a later stage, one should move the recursive runtime dependencies into
the appropriate recipes.
core-image-ros-groovy-running-roscore: a core image to start roscore

This commit provides a recipe for a core image to start roscore, and
also tunes the README.
README: updating maintainers and contributors due to recent events
genmsg: adding runtime dependencies
genpy: adding runtime dependencies
roslaunch: removing a recursive runtime dependency
rosgraph: adding runtime dependencies
roslib: adding runtime dependencies
roslaunch: removing more recursive runtime dependencies
catkin: adding runtime dependency