[FIX] Reset extended NMT commands feature flag

* The extended NMT commands are only implemented for the sending MN
  direction. It indicates if a POWERLINK node is able to handle extended
  commands.
  -> As a result this feature flag needs to be set when it is implemented
     for CNs.
[FIX] Resolve hostname issue

* Correct name of the hostname object to fit to the specification
* Add one byte to the length of the hostname object to fix a problem
  when the object is written with the maximum length.
  -> This is a quick fix for this version! The final solution would
     need several changes in the EplObd module.
[FIX] Remove EplApiLinkDomainObjects for CNs

* The function EplApiLinkDomainObjects is only used when the stack is
  build as an MN.
[FIX] Resolve warning in FPGA demos

* Copy hostname with strncpy where parameters are from
  type char*
[FIX] Adapt CiA401 CN xdd files

* Change version number
* Correct hostname object name

Change-Id: I4bad765149baf7f600f15f53a7bcd630043e7997
Reviewed-on: http://brateggevoat1/gerrit/1397
Tested-by: Jenkins <jenkins@brateggevoat1.br-automation.co.at>
Reviewed-by: Josef Baumgartner <josef.baumgartner@br-automation.com>