hgweb: move HTTP content types out of header templates
This removes the ability for templates to add custom HTTP headers, which can
easily be re-added if someone needs it. Thanks to asak for repeatedly reviewing
this patch and helping to iron out the quirks.
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
% merge heads
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merging l
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(branch merge, don't forget to commit)
% merge working directory
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HG_FILE l2
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merging l2
0 files updated, 1 files merged, 0 files removed, 0 files unresolved