Return null if layer cannot be created
waiting longer in animation test for tiles to load
Merge pull request #127 from OpenGeoscience/clamp_north_south

Clamp north south
removing borders and scroll bars from selenium tests
Merge pull request #132 from OpenGeoscience/test-remove-scrollbars

removing borders and scroll bars from selenium tests
removing crud from the repository
changing to jshint for style tests/installing by npm
Using relative path to name jshint tests
adding jshint configuration
fixing style for several core files
ignoring compiled python modules