[FIX] Increase CMake minimum version

Increase the minimum version number of CMake to 2.8.7 as older versions
don't support all used features.

Change-Id: I4954e55cd6099bf248aacf960ed46aa60fe9cf9d
Reviewed-on: http://brateggevoat1/gerrit/2231
Tested-by: Jenkins <jenkins@brateggevoat1.br-automation.co.at>
Reviewed-by: Wolfgang Seiss <wolfgang.seiss@br-automation.com>
Reviewed-by: Josef Baumgartner <josef.baumgartner@br-automation.com>
[FIX] Fix Qsys generated HDL output

In order to avoid hundreds of warnings during synthesis in Quartus 13.0sp1 the
HDL output format is set to VERILOG.

Change-Id: I1b9ce46081694a567e6fd63a6f0c22090adbc1a1
Reviewed-on: http://brateggevoat1/gerrit/2227
Tested-by: Jenkins <jenkins@brateggevoat1.br-automation.co.at>
Reviewed-by: Thomas Mair <thomas.mair@br-automation.com>
Reviewed-by: Josef Baumgartner <josef.baumgartner@br-automation.com>
[FIX] Clean up nmtu module

* Correct typos in the comments
* Apply coding rules regarding white spaces

Change-Id: I6790690c64f19cdbb3ed2fe4d538c30ac14b186e
Reviewed-on: http://brateggevoat1/gerrit/2236
Tested-by: Jenkins <jenkins@brateggevoat1.br-automation.co.at>
Reviewed-by: Wolfgang Seiss <wolfgang.seiss@br-automation.com>
Reviewed-by: Josef Baumgartner <josef.baumgartner@br-automation.com>
[FIX] Clean up obd module

* Correct typos in the comments
* Apply coding rules regarding white spaces

Change-Id: I6225f531d62d17a587abe33b8a3d3c2f8fae89a4
Reviewed-on: http://brateggevoat1/gerrit/2237
Tested-by: Jenkins <jenkins@brateggevoat1.br-automation.co.at>
Reviewed-by: Wolfgang Seiss <wolfgang.seiss@br-automation.com>
Reviewed-by: Josef Baumgartner <josef.baumgartner@br-automation.com>
[FIX] Correctly shutdown the kernel-internal queue in eventkcal-win32

This fixes a bug that after stopping the stack but not the application,
a restart of the stack fails with an error message.

Change-Id: I8085263b03ec9b43f24325cf71c29b27d522f990
Reviewed-on: http://brateggevoat1/gerrit/2242
Tested-by: Jenkins <jenkins@brateggevoat1.br-automation.co.at>
Reviewed-by: Josef Baumgartner <josef.baumgartner@br-automation.com>
[FIX] Fix MN asynchronous scheduler ignores CN requests

This fix solves the issue with pending "RequestToSend" from nodes ignored
by the MN.

Change-Id: I1af78a6a4e537412fe607e8ff6355759ee3e75e7
Reviewed-on: http://brateggevoat1/gerrit/2234
Tested-by: Jenkins <jenkins@brateggevoat1.br-automation.co.at>
Reviewed-by: Josef Baumgartner <josef.baumgartner@br-automation.com>