updated the admin to use links directory instead of having an action array. this was to better integrate bootstrap 3.

also having an action array was because the first few version of opencart used to use a single template file for list pages.
more admin work done
Fixed spacing/tabs standard in tpl file. Mentioned in issue #979 but pull request was incorrect as it used tabs - this is the correct fix. Close #979
more work to the admin
Merge branch 'master' of https://github.com/opencart/opencart
more of the front end template done.

also updated the admin invoice to use bootstrap.
more of the front end template done
more front end work done
Fixed cache delete when adding new language. Removed line and updated banner cache delete from attribute
Removed double language set line.
modification page tweak to allow linking to developer pages.

more front end work.
Merge branch 'master' of https://github.com/opencart/opencart
slide show fixed
more work done for the front end
more front-end theme work done
more frontend work done
updated tot he latest font-awsome also more work done on the front-end template
more front end work done
more font end template done
more front end work done