Adds p5.Vector documentation
Adds additional documentation for static/non-static p5.Vector methods
Adds inline example for angleBetween
Adds additional documentation to non-static/static methods
Refines description of p5.Vector static/non static methods
updating docs for preload and noloop closes #409
docs
adding check to prevent tint/webcam conflict issue #410
adding prevent default functionality for key
cleaning up mouse and touch cood calls closes #407
version 0.3.11
implimented loading screen functionality as per feature request in issue #317. Also added a basic  example as to how it can be implimented into a project.
merged upstream with loadingscreen update
fixed typo in docs
fixed spelling typo
ran grunt to make sure most recent files have been compiled / minified
updating size fxn
need to check for null, otherwise it will throw error on first run when using instance mode
class is reserved word in JavaScript standard
Merge remote-tracking branch 'upstream/master'