Update/Fix OVMF
opentsdb: patch shebangs in correct directory

(cherry picked from commit 105b77f36f1810287b0f32036ae5303dae8c5a66)
Signed-off-by: Domen Kožar <domen@dev.si>
omake: add meta.platforms
classpath: fix build
folly: disable on 32bit (unsupported)
remove libvlc, unused package

cc @ttuegel
Haskell NG.
haskell-generic-builder: enable pre-/post hooks and configureFlags
haskell-generic-builder: add support for pkgconfig (and other build fixes)
haskell-generic-builder: add more arguments
haskell-modules: map all kinds of missing system libraries to null
all-packages.nix: recurse into Haskell package set to make Hydra find them
haskell-modules: run builds in UTF8 language environment
hackage-packages.nix: we don't have a BSD4 license tag
hackage-packages.nix: set noHaddock for hamlet
haskell-modules: hslua doesn't compile with lua 5.2