[NOP] remove two mistakenly added files
[BUILD] moved test files to src/test/external
[NOP] removed trailing whitespace
[FIX] updated external test project to new OpenMS layout
[FIX] updated external code example in share
[NOP] added check if include directory variable is defined
Merge pull request #1010 from aiche/fix/external-code-tests

[FIX] external code tests updated/fixed