K 10
svn:author
V 4
bapt
K 8
svn:date
V 27
2013-03-08T11:32:11.670161Z
K 7
svn:log
V 420
Convert USE_BISON to USES= bison

It brings bison as a build dependency in case it is set the following way:
USES= bison or USES= bison:build

it brings bison as a run dependency in case it is set the following way:
USES= bison:run

it brings bison both as a run and build dependency in case it the set the following way:
USES= bison:both

While here trim some headers
Convert some USE_GNOME= gnomehack to USES= pathfix

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