Add login page and separate index page from template.clj file

- Update template.clj - rename function to template-page and update it
to take uri and the page content as its arguments
- Create index.clj file
- Create login.clj file with login form.
Add register page

Add register.clj file and modify core.clj to include /register route.
Add title argument to template-page function and add favicon.ico

In template.clj modify template-page function to take a title argument,
add different page titles to each page and add favicon.ico to
resources\public folder.
Change release version to 0.0.5