Ignored .class

Ignore *.class

Removed .metadata

Removed Hoge.java & Hoge2.java

Refactored.

Refactored.

Refactored.

Removed some png files

Refactored.

Refactored.

Restored.

Refactored.

Refactored.

Removed.
Added images

Fixed images:

Refactored.

Refactored.

Refactored.

Refactored.

Refactored.

Removed.

Refactored.
Refactored.
Refactored.
Removed.
Refactored.
Refactored.
Refactored.
Refactored.
Refactored.
Refactored.
Refactored.
Refactored.
Refactored.
Refactored.
Refactored.
Refactored.
Refactored.
Refactored.
Start to implement Undo/Redo