Delete "menu.xml"

Delete "menu.xml" from res/layout-land to create a new one with the
right name.
Delete "activity_main.xml"

Delete "activity.main.xml" from res/layout-land to create a new one with
the right name.
Create "activity_client_insert"

Creation of "activity_query_insert.xml" in res/layout-land, this file
replaces the older "activity_main" and is used to show the
"ClientInsertActivity" in landscape mode.
Creation of "activity_menu"

Creation of "activity_menu.xml" in res/layout-land. Thsi file replaces
the older menu.xml with a better name convention for the app.