Work around Eclipse bug that fails to override Close key binding:
 - remove the org.eclipse.ui.defaultAccelerator keybinding for Close
Increment versions for release
Add switch/display buffer other window
Refactor some MultiPart code
Additional activation of SwitchToBuffer for E4
Populate Switch Minibuffer history with activation order buffer list
Allow end constrained ringbuffer
Switch command ids of Split Horiz/Vert to match gnu emacs
Clean up Horiz/Vert direction determination
Add internal direction var for show other
Reset Switch prompt to initial state on ^K
Add base E4Cmd class for future expansion
Increment version to 4.0.2 for release
Fix ^G regression
Update readme
Add Reposition Window (known to work with the Java editor)
Add convenience hacks to window splitting (in progress)
Update comment
Merge remote-tracking branch 'upstream/dev' into uli-lunatest
4.0.3 based on dev