Rename a field in save decider.
Renamed methods.
Refactor dialog spinner.
Change preference listener to a singleton.
Convert Preference to a singleton.
Make Preference a constant in preference listener.
Fix synchronized bug.
Revert EditorContext to a fully static class.
Fix preference listener bug.

Preference listener cannot be a singleton.
Remove comments.
Don't save if content assistant is visible.
Don't save if assistants and hovers are visible.
Don't prevent saving if hovers are visible.
Checkstyle configuration changes.
Project configuration changes.
Findbugs configuration changes.
Added exclusion pattern for CodePro AnalytX audit.
Added exclusion pattern for CodePro AnalytX audits.
Refactored module.