updated bootstrap to v2.3.0
updated html5shiv to v3.6.2pre
updated jQuery to v1.9.1
updated jekyll link in readme for v0.12.0
moved photo on aobut page to sidebar
lots of tweaks and hacks, plus new sidebar for int17 homepage
fixed sidebar for int17 homepage and others
removed redundant rel=tooltip attributes
changed subtitle for template homepage
missed a rel=tooltip needing removal