Merge branch 'release/beta2.4' into develop
Create functions for validation.
Import jquery validation plugin.
Implement basic validation.
Update function is divided.
Implement validation completed.
Merge branch 'feature/validation' into develop
Show third canvas and create class for it.
Add functions for calculation of delta-v.
Add function for calculation of phase.
Implement view of delta-v is in progress.
Rebuild project.
Complete shapes of delta-v view.
Divide function drawDualArrow is in progress.
Complete subdivision of drawing arrow in graphicsHelper.
Add property to get outer/inner center position instead of using a half of size.
Fix getter of center position.
Apply the getter to entireView.
Apply the getter to nightView.
Compile project.
Prepare exclude auto-generated files which has extension js or map.
Enable new gitignore.