Don’t Check for a WiFi Connection when running in the Emulator

Don’t Check for a WiFi Connection when running in the Emulator, even
when started manually from the launcher in the emulator. This avoids
confusion when people are updating the Companion within the emulator.

Change-Id: I424a8caeec9741892fe340740781c71564725c89
Remove remaining traces of blockslib and blockseditor from the
source tree. They are AI1 specific and no longer used.
This removal will make fresh eclipse installs work without error.

See commit 4744a67c9a31d4996d68b3f9e1bc8dab82982248

Change-Id: I7f497a7ff5437ff5c13bc2376aa1b7205ed961cc
Provide Appropriate message when building too large projects.

As of App Engine 1.9.0 we get an IOException from UrlFetch when we
send too much data. Previous version issued a RuntimeException.

Change-Id: Id9cacb9d703599be54614b18c9b927d234ebd0e0
Fix Player documentation, not not say that it plays video

Change-Id: I01b4f13bc21f41d7b217e58ae5534e2fc2b20a01
Fix typo in activity starter documentation

Change-Id: Ifda46cfd0340e16b51867d400c950c85b20e7758
Increase space for speciying width and height to 4 digits, rather than 3

Change-Id: I70e7091f11e730d7fbcdc84158108018a15f7f80
For location sensor, make sure AvailableProviders is initialized.
This addresses trac issue 684

Change-Id: I9182f1e3ce441a38c7f218c703290da7605d2cd8
Update listpicker documentation to include title property

Change-Id: Ifcd74950f75ba4496a8be8b033f9f63324ac9be7
Merge branch 'master' of https://github.com/mit-cml/appinventor-sources