Misc updates.
Moved currentAccount to PageSession (from ServerSession)
Renamed KmHashHistory in prep for refactoring.
Refactored ajax javascript.
Refactored page.start.

Auto show leftMenu based on page preference.
Changed SignInActivity to be a page.
MyStaticIncludeTestActivity; changed to a page.
KmPatchManager; minor clean up.
Refactored activities as pages.
MyHandleNewUserInvitationActivity; changed to be a page.
MyHandleTransferInvitationActivity; changed to be a page.
Reorganized imports.
Equalize script, clean up
Renamed MyPageRegistry.
Renamed Activity to Page.
Fixed page generator.
Renamed MyActivity to MyPage.
Renamed activity package (to page)
Regenerated everything (updated imports).
Merge branch 'master' into navigation