Simplify JS if statements and remove unecessary return statements
Remove redundant CSS units
Simplify CSS properties
Remove unnecessary .gitignore entries and files

... add add one I forgot to add a long time ago
Correct some spelling mistakes
Remove unused private functions
Remove redundant notification manager classes
Remove empty files
Correct typo in dashboard model in validation module
Merge pull request #47 from jamiesnape/MoreCleanup

Clean up some CSS and JS and correct some spelling mistakes