[FEATURE] Table: Keyboard Handling

- F6 Handling
- Space + Enter onkeyup instead of onkeydown
- Column Move with fixed columns
- Fixed problem with CTRL + A focus and IE10
- Fixed problem with header group and context menu opened in wrong
column.
- ALT+UP/ALT+DOWN Handling for group headers
- Fixed problem with SHIFT+UP/SHIFT+DOWN when selection mode was row
only
- Fixed problem with merged column headers and SHIFT+HOME

Change-Id: I87ea28f4db12250dc88e6f1949db9ddb7caddb67
Merge "[FEATURE] Table: Keyboard Handling"