Merge pull request #124 from DavidSpriggs/feature/SidebarCollapse

config file as param and startup hotfix
temporary fix to the TOC css file to display the expand/collapse icons.
adjusted the image size slightly so it fits the dbootstrap theme a little better.
Merge pull request #125 from DavidSpriggs/bug/TOC-expand-collapse-css

temporary fix to the TOC css file to display the expand/collapse icons.
use new icons grabbed from Font Awesome.
Merge pull request #126 from DavidSpriggs/feature/toc-new-icons-from-font-awesome

use new icons grabbed from Font Awesome.
fixed problem hiding layer opacity slider.
Merge pull request #128 from DavidSpriggs/fix/toc-show-hide-layer-slider

fixed problem hiding layer opacity slider.
Adding travis-ci
travis-ci mods
travis-ci mods
test
travis-ci - adding automated releases
travis-ci release tweaks
Travis and grunt updates
fixed invalid .travis.yml