Language Megafix

This applies a lot of formatting fixes on the language files:

1. In EOF - trimmed all empty lines except one
2. After the title - one empty line strictly
3. Corrected links to nati

Language Megafix

This applies a lot of formatting fixes on the language files:

1. In EOF - trimmed all empty lines except one
2. After the title - one empty line strictly
3. Corrected links to national versions of documents in dokuwiki.org if
they exits - 4example [[doku>namespaces]] to [[doku>ar:namespaces]]
4. Corrected some over-auto-translated links to "playground:playground"
and "wiki:syntax"
5. Torn lines are collected in one in a large number of places (except
for RTL languages)
6. Removed e-mail signatures that now is missing in the English set of
files

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fixed validation errors in the installer

fixed links in lang files

darcs-hash:20080815130000-f7d6d-2ecb0a83f96507db2cd51e60db292781f9c4da8e.gz

Catalan language update

darcs-hash:20071121203902-7ad00-bb88d1124d181b56152f22da892d6d3eccf1161c.gz

UNDO: Catalan language update

darcs-hash:20071118103614-7ad00-3426a738ddde80038a24ef6aae712c077d6458f7.gz

Catalan language update

darcs-hash:20071118103614-7ad00-5fc73d82a46ac4e3dcb7d8a9c94711c17d40fc47.gz