Fixing for OS X
Update DEPENDANCIES to show Makefile requirements.
Merge pull request #19 from Dijit/master

Update DEPENDANCIES to show Makefile requirements.
Merge pull request #18 from pyro2927/os_x

Texinfo @leq substitution for OS X, and fix locale dependency.
Change `<=` (previously `@leq`) to `@math{<=}`

Signed-off-by: Mattias Andrée <maandree@operamail.com>
Resolve warning about _ maybe becoming disallowed

Signed-off-by: Mattias Andrée <maandree@operamail.com>
update dist

Signed-off-by: Mattias Andrée <maandree@operamail.com>
Merge branch 'master' into pnm