Fix wrong "if" condition

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BUG: 334700
REVIEW: 118615
Revert install directory for qt5 based libechonest
in parseDynamicLookahead only add a song if it has any value set (fixes test PlaylistTest::testNewDynamicAPI()
Silence policy warnings in CMake 2.8.13+
add GenrePresets & Distribution Playlist Params
rename catalog endpoint to tasteprofile, fix Catalog tests
also declare vectors of Artist & Genre as Metatype
remove test for deprecated fetchGenres() function from ArtistTest