Add steghide ebuild by l29ah

http://l29ah.blasux.ru/projects/booboo/app-crypt/steghide/

Steghide was removed from gentoo:
https://bugs.gentoo.org/show_bug.cgi?id=319679

steghide-0.5.1-gcc34.patch taken from ALT Linux. Other patches from
l29ah ebuild.
Add playitslowly
Merge branch 'master', remote-tracking branch 'upstream/master'
Adding FriBID v1.0.1a and metadata.xml for FriBID
FriBID v1.0.1a and metadata.xml for FriBID
Bump media-video/tragtor-0.8.63
Bump media-video/tragtor-0.8.63
Merge branch 'feature/tragtor-0.8.63' into develop

Bump media-video/tragtor-0.8.63
Merge branch 'release/tragtor-0.8.63'

Bump media-video/tragtor-0.8.63
Bump app-misc/roccat-tools-0.12.5
Bump roccat-tools-0.12.5
Merge branch 'feature/roccat-tools-0.12.5' into develop

Bump roccat-tools-0.12.5
Merge branch 'release/roccat-tools-0.12.5'

Bump roccat-tools-0.12.5
Fix roccat-tools-0.12.5 depends on libunique:1
Merge branch 'hotfix/roccat-tools-0.12.5-libunique-fix'

Fix roccat-tools-0.12.5 depends on libunique:1
Merge branch 'develop'
Merge remote-tracking branch 'balticer/master'
Merge remote-tracking branch 'bitfag/master'
steghide-0.5.1.ebuild: don't set CXXFLAGS inside src_prepare()
Merge branch 'feature/app-crypt/steghide' into develop