kdevelop: Update to 4.6.
silver-searcher: avoid -lgcc_s on darwin
add ekho 5.8.2, a Chinese TTS software
Merge branch 'kdevelop46' of git://github.com/ambrop72/nixpkgs

kdevelop: Update to 4.6.
Merge branch 'master' of git://github.com/madjar/nixpkgs

silver-searcher: avoid -lgcc_s on darwin
Merge branch 'ekho' of git://github.com/iyzsong/nixpkgs

add ekho 5.8.2, a Chinese TTS software