Solves following warning:
QA Issue: speech-tools requires /usr/bin/perl,
but no providers in its RDEPENDS [file-rdeps]

This commit provides the autotools-brokensep class and uses it for
the wxwidgets recipe.
The autotools-brokensep indicates that this package currently cannot
handle out-of-source builds, and hence the in-source build must be
kept until this is resolved.
The autotools-brokensep class is a copy of the autotools-brokensep
class provided in the openembedded-core commit 006b8a78 [1].
To make this commit backwards compatible to even earlier versions
of openembedded-core, we provide this class in meta-ros ourselves.

[1] http://cgit.openembedded.org/openembedded-core/commit/?id=006b8a7808a58713af16c326dc37d07765334b12

Executing 'bitbake packagegroup-ros-world' shows the warning:
WARNING: QA Issue: collada-dom rdepends on libpcrecpp but its not a build dependency? [build-deps]

On a clean build, 'bitbake collada-dom' fails with:
| Linking CXX shared library libcollada-dom2.4-dp.so
...
| .../build/tmp-eglibc/sysroots/x86_64-linux/usr/libexec/x86_64-oe-linux/gcc/x86_64-oe-linux/4.9.1/ld: external-libs/pcre-8.02/libpcre_local.a(pcre_compile.c.o): relocation R_X86_64_32S against `.rodata' can not be used when making a shared object; recompile with -fPIC
| external-libs/pcre-8.02/libpcre_local.a: error adding symbols: Bad value
| collect2: error: ld returned 1 exit status
| make[2]: *** [dom/libcollada-dom2.4-dp.so.2.4.0] Error 1

This commits adds libpcre as dependency, and resolves the issue.

This commit updates to version 1.5.3 and removes the local patch
that has been merged in version 1.5.3.

Poco comes with bundled versions of SQLite3, zlib, expat, etc.
Adding the ``-DPOCO_UNBUNDLED=On`` option to CMake makes it use the ones provided by OE.

Updating to 0.2.1, and correcting shipping of fakenect libraries.

orocos-kdl: moving source info into kdl.inc
to share with python-orocos-kdl recipe

Based on initial work by bulwahn: https://github.com/bulwahn/meta-ros/tree/pcl-v4
Extensively discussed at #135

The eigen recipe has been added to the meta-oe layer with the
name libeigen [1].

[1] http://cgit.openembedded.org/meta-openembedded/commit/?id=424e3c1b930c0103c2cedfd4df1671e84a5256d5

The qhull library is shipped under its own license. We add this
special license file in our layer in the directory licenses and
register this license directory in our layer configuration.