style: Drop the border around navigation links

This was incredibly ugly, how come I didn't see it earlier? o_O
style: Improve paragraphs in lists
index: Put the list items in paragraphs
projects: Write the project index
index: Fix links to the projects

Each project is going to be a folder, with various pages in it.
style: Properly fix that 1px issue

The main content has a 1px top border, and as a result I was giving a
-1px bottom margin to the header.

It's much easier to drop the border instead.
header: Give an id to the main navigation menu

I'm going to have a secondary one on some pages, so I need this or they
will conflict.
style: Decrease whitespace above main content

That really was too much...
projects: Add a project-specific navigation menu
config: Specify some options explicitly

The project pages wil feature some source code, so we need syntax
highlighting turned on with pygments.

Also, the default markdown rendering engine is having some trouble with
our source code examples, so let's switch to redcarpet.
libcangjie2: Add the main page

This is really just the README file from the libcangjie2 project, with
the Jekyll front matter added.
libcangjie2: Add some placeholders for the pages
pycangjie: Add some placeholders for the pages
ibus-cangjie: Add some placeholders for the pages