Add demo on writing new entry

- Write markdown in textarea
- See preview updated realtime
- Routes added
- New dependency Showdown added
- Basic layout/partialization

refs #27
Move around routing so that we may keep wildcard route.
Remove TemplateURL where it wasn't needed.
Conform to name convention.
Remove unnecessary function.
serve static files for demos
Remove unnecessary route in server.js
Merge branch 'write' of github.com:bernardodiasc/remember into bernardodiasc-write

Conflicts:
	server/server.js
Merge branch 'bernardodiasc-write' into write
Revert change to server.js
Merge pull request #63 from miphe/write

Write
Add story about layout
Revert "Add story about layout"

This reverts commit 7711a16662b3a91efffe93995abf310237455080.