Iox #495 compile iceoryx on gcc 5

[dkroenke]

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Notes for Reviewer

@BH1SCW This is the PR for compiling iceoryx on GCC 5.4, please check out if it works on your side. Please note that i installed manually a newer CMake version on Ubuntu 16 for building.

• add namespace to SubscribeState in C-Binding
• initialize NodeName_t in posh_runtime correctly
• rework lambda in PortManager for capturing this instead of reference

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References

• Closes fail build on ubuntu 16.04 with g++ 5.4.0 #495

[BH1SCW]

This patch works for me!
All of you guys, I really thank you.

[elBoberido]

@BH1SCW you're welcome. We cannot promise that we don't break it again, since we don't have a CI for GCC5.

[BH1SCW]

@BH1SCW you're welcome. We cannot promise that we don't break it again, since we don't have a CI for GCC5.

Never mind :) Maybe I will keep building the code from time to time.