Update styles to improve usability and display across a number of devices

Focus is on the index pages:

Increase contrast of blues
Make some fonts heavier-weight to ensure readability
Add in touch icons for various resolutions for ipad/iphone etc..
Remove some old meta tags that were not helping
Improve/fix some broken meta tags
Add support for < 480px device screen (i.e. iphone/android)

Screenshots for different browsers below (chrome/ff win&mac IE, Safari, iphone, ipad, android, android chrome):

photo 17-03-2015 23 43 09 photo 17-03-2015 23 43 13 photo 17-03-2015 23 45 07 photo 17-03-2015 23 45 15 pyjobs chrome pyjobs firefox pyjobs ie screenshot 2015-03-17 21 50 16 screenshot 2015-03-17 23 43 56 screenshot 2015-03-17 23 44 13 screenshot 2015-03-17 23 44 34 screenshot_2015-03-17-23-43-37 screenshot_2015-03-17-23-43-48 screenshot_2015-03-17-23-54-43 screenshot_2015-03-17-23-54-48

pythonjobs / template

Update styles to improve usability and display across a number of devices #15