Merge branch 'master' into parser_enhancement
Reorganize imports in GooManager
Merge branch 'master' into export_support
Major refactor and improvement to Command

- Improved output to support different color codes
- Better feedback is given after an operation
- Completed Javadocs for classes in Logic & Interface
Merge branch 'create_logic' into parser_enhancement
Merge branch 'parser_enhancement'
Let GooManager detects correct time zone
Add SYNC command stub
Merge branch 'export_support'
Updated HELP command for SYNC
Merge branch 'sync_interface'
Support force pushing/pulling all tasks
Support isDone for events
Support push/pull without clearing target storage
Fix a bug that cannot mark remote task as uncompleted
Fix bugs updating remote fields
Add stub method for two-way sync in GooManager
Merge branch 'export_support'
Rewrite the database after a pull action
Merge branch 'master' into sync_interface