[FIX] Fixing warnings in nightly builds.
[FIX] Removing PARENT_SCOPE again for unused parameter flag.

Why did I add this earlier?
Merge pull request #45 from holtgrewe/hotfix/nightly_warnings

Hotfix: nightly warnings
[FIX] Fixing narrowing conversion in 64 bit nightly builds.

Includes removal of trailing whitespace.
Merge pull request #48 from holtgrewe/fix_nightly/align_extend

[FIX] Fixing narrowing conversion in 64 bit nightly builds.