web/template: Edit menu

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Bug reports -> Bug Reports
Rebase commit 'web/download: add FFmpeg 2.3' + generate dist/
Align headers to left

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Add --clean-css option to lessc as --yui-compress is deprecated

Signed-off-by: Timothy Gu <timothygu99@gmail.com>