Fix eval_but_ignore and add unit test

Change-Id: Ibb180528bf7496027b263ad59db5675129e2c0d8
Extended Notifier to allow some HTML formatting in alert messages

Extended Notifier to allow some HTML formatting in alert messages
Added AboutScreen property that lets developers provide information
about their apps. Updated refereence documentation.

Change-Id: Ic81e0554f586048f3cf83b53904b2d85aa65ec8f
Update ACCEPTABLE_COMPANIONS to only accept current Companion.

Change-Id: Ia54caa8bba335a213730bdae01fe624c5b09e0e9
Make the Auto Update Optional

Change-Id: I6c3c414f98b3e6180efbb62ff93719f58996e4d6
Ignore disabled blocks when sending to the Companion

Fix #687. Yail generation returns null for disabled blocks, so we
ignore them rather then erroneously attempting to send a null to the
Companion.

Change-Id: Ib2d0995a3c2a6927ed4542553463553139cd52e6
ticket #450: deleted misleading dismiss button when building apk

change-Id: I9e20aabd2493841ef865b93acd12f640aa128569
Fix typo in activity starter documentsation getType --> getDataString

Change-Id: I6a904c1ddf889f7e8f9a4d74d7e2dfbe4dd634b8