Add loadable examples support, and add the pong example from the
official wiki.

Make compiler flags configurable.

Put examples in separate files.

Change max. delay for waiting for output from 2 sec to 10 secs.

Update exec_helpers version

Fix some css issues

Add "make release" helper target

Add themes support.

Added Cheerp logo

Separate dev and build webpack configs

Add vue hotkeys support for ctrl+f9 for compile and ctrl+f10 for run.

Communicate with API to compile to Javascript now.

Auto indent