front end work to link blog in
styling tweaks to demo area

increased font size of tooltips and reduced the height of the screen
shot
change video poster

this is to reflect the new position of the ajax and history tabs and to
correlate with the main demo screen shot
removed headloose blog

to keep it inline with the other contributors on the site.
removed space between icons and text

on the contributors section there were spaces between icon and text
which has now been removed
added padding to the bottom of the tweets
fix for mobile menu breaking

this was caused due to removing the logo on the home page. Added in
padding on this page so the menu is in the correct place.
reduced size of the image sprite