Remove Obsolete AI1 Code

Completely remove the blockslib and blockseditor source from the
source tree. They are AI1 specific and no longer used.

Change-Id: I95de2fd9523d22c468ddd202d754590323ed609a
Don’t Save Corrupted Blocks Files.

Fix Trac #572, make sure that corrupted blocks files are not
over-written.

Change-Id: I4fddf17eae6229c4d1a7c97154af7a314a526215
Remove IE Support.

Remove IE from the GWT compilation list as well as indicate that it is
not supported in “index.html.” People attempting to use IE will now
get a message listing the supported browsers. We can undo this when we
have IE support working.

Change-Id: Ib2728c7a180b8ac3e409370319032d013d5ed8c8
Fixed notifier documentation
Made notifier closekeyboard on text entry
Make cancelable default to TRUE for Notifier.ShowMessage dialog and ShowChooseDialog
Fix notifier Web documentation

Change-Id: I92d27bccfd544a8477c858ac4b781d8b2dfea157
Have the “Reset Connection” Menu always available.

Have the “Reset Connection” Menu always available, even when we
believe there is no connection. Selecting “Reset Connection” will kill
both any running emulator and adb, so it is useful to help reset the
state of things when the user isn’t quite sure what state they are in.

Change-Id: I7a8f099f792eb2090de1c594c7754fecaa2a4df7
Added an AboutScreen Property

Added an AboutScreen property for info that will be shown in the
system menu. Created a new property editor, TextArea, for long texts
Clarified the Notifier documentation for ShowChooseDialog and
ShowMessageDialog

Change-Id: I08efe7db25d715e1728fcdca9cae5795192c0214
Added more <users-features> to the Companion

This should result in the Google Play Store showing the Companion to
Tablet users.

Change-Id: I8eb2db1786adce86d61885c39cb881013f3dc419