Added view, plane grid and orbit camera controller
Added MV controller, model and RK4 integrator
Added datGUI controls (working), input forms with buttons (not working yet) and CSS layout
Improved camera control
Added vtip to display information about input fields
Added accumulator so simulation runs in real time independent on dt
Added listeners for input fields and buttons
Added phase space plot
Moved some features to controller
Added total energy and potencial plot
Added checker board image as a texture to plane
Improvements to datGui
Updated README
Merge branch 'develop'