added find package boost for mingw
Merge pull request #76 from Ingener74/newFeature_buildForMingw

added find package boost for mingw
added build_windows in gitignore
Merge pull request #77 from Ingener74/newFeature_addedGitIgnore

added build_windows in gitignore
Merge branch 'master' into newFeature_fftwHeartRateRecognizer

fix after merge

Conflicts:
	CMakeLists.txt