add missing rake and lixslt dep

Signed-off-by: Ruben Smits <ruben.smits@intermodalics.eu>
adapt makefile and manifest to use apt-based installs of the needed gems

Signed-off-by: Ruben Smits <ruben.smits@intermodalics.eu>
fix compatibility with g++ 4.7, in which the -module option disappeared
doc: add clubber and rebuild task
remove support for the deprecated rake/rdoctask as it is now an error on Rake >= 10
utilrb/rake/doc requires utilrb/kernel/options, so add lib/ to the LOAD_PATH
Merge remote-tracking branch 'origin/toolchain-2.5'

Conflicts:
	lib/utilrb/common.rb
add ruby extension extension lookup to also support OSX

Signed-off-by: Ruben Smits <ruben.smits@mech.kuleuven.be>
remove the use of hosted gems

Signed-off-by: Ruben Smits <ruben.smits@mech.kuleuven.be>
catkin: add CMakeLists.txt that installs utilrb and add package.xml to make it buildable with catkin

Signed-off-by: Ruben Smits <ruben.smits@mech.kuleuven.be>
Merge remote-tracking branch 'orocos/master'
Merge remote-tracking branch 'autobuild/master'

Conflicts:
	Makefile
	Rakefile
	manifest.xml
logger: trigger resetting the children's default logger in Forward#logger=
remove 1.8-specific code
define LIB_DIR to allow filtering utilrb out in Roby
fix Logger::Hierarchy for classes that have a name that cannot be resolved to a constant
dsl: use BasicObject as the basis for the evaluation context in eval_dsl_content
adding minimum cmake version
doc: backward-compatible fix for doc generation w.r.t. changes in Rake
be compatible with the current doc target scheme