Change target version.
Move to fragments package.
Remove unnecessary comments.
Revert "Change target version."

This reverts commit b00e617c9b224c5ea19f3a31ae13e2eb8dfc460c.
Introduce indirect injector.
Add menu list.
Remove option menu.
Apply the indirect-injector to the initialization of NavigationDrawer.
Merge pull request #2 from sys1yagi/base_ui

replace base ui component, 
・Apply the indirect-injector to the initialization of NavigationDrawer.