Merge pull request #6 from matzk/master

UnitTests for src/util
Merge pull request #7 from matzk/master

gitignore and FindUnitTest++.cmake
Merge pull request #8 from matzk/master

more files gitignored
added test data and changed unit tests to use test/temp directory
Merge remote branch 'cvachome/master'
fixed a unit test problem
c_str() on std::string printf argument