haskell-JuicyPixels: update to version 3.1
haskell-hakyll: update to version 4.3.1.0
haskell-persistent-template: update to version 1.2.0.2
haskell-postgresql-simple: update to version 0.3.3.2
Adding 'weka'.
Fixing vaapi-vdpau build with newer mesa.
Note about the source of previous build fix in glext85
shishi: fix compilation on darwin
guile: remove gcc_s dep, skip check on darwin
irssi: fix build on darwin

* use `gccApple` (so we can cope with `-no-cpp-precompile`)
* add `libintlOrEmpty`
sup: update to latest version
amdappsdk: Fix download urls and some other things, so derivations for older sdk versions now build succesfully
Merge pull request #651 from lovek323/shishi

shishi: fix compilation on darwin
Merge pull request #652 from lovek323/guile

guile: remove gcc_s dep, skip check on darwin
Merge pull request #653 from lovek323/irssi

irssi: fix build on darwin
Merge pull request #656 from offlinehacker/amdappsdk_fix

amdappsdk: Fix download urls and some other things, so derivations for older sdk versions now build succesfully
php53: add optional pcntl flag
php53: restore nix gd version
Merge pull request #654 from lovek323/sup

sup: update to latest version
haskell-ghc-heap-view: update to version 0.5.1