Merge pull request #6 from Horrendus/master

added some Info to AudioSummary & additional SearchParams
Port libechonest to Qt5
More porting
Default to Qt4 but be able to compile with Qt5
Made compilable with qt4 and qt5 with the same source
add build/ to .gitignore
Merge pull request #7 from xhochy/qt5

Add the ability to compile with Qt5
Add QLatin1String to strings added before creating qt5 branch
Merge pull request #8 from xhochy/qt5-rebase

Add QLatin1String to strings added before creating qt5 branch
Merge branch 'master' of https://github.com/lfranchi/libechonest

Conflicts:
	src/Parsing.cpp