added head-common and head-game templates; moved login.js code directly into login.html; deleted sylvester (some tests are breaking); updated some of the templates
removed redundant scripts from navbar
updated more html pages to use correct head include
refactored all views to use template inheritance
templates now highlight the tab correctly and have titles
include head-common; fix graphspec
Merge pull request #36 from hellochar/use-template-inheritance

Use template inheritance