issue #264, converted ask and wait block to expression from step
issue #333, Inputs requiring blocks shouldn't accept text
use local examples for home page, simplify script loading
Merge branch 'support_running_examples'
wait for iframe to be ready before running example code
Merge branch 'support_running_examples'
Merge pull request #357 from klindenbach/master

issue #264, converted ask and wait block to expression from step
Merge pull request #359 from klindenbach/333-block-inputs-shouldnt-take-txt

issue #333, Inputs requiring blocks shouldn't accept text
minor fix for running examples
wait for iframe to be ready before running example code
iss #333, added color to the exception list for read-only inputs
Merge pull request #363 from klindenbach/333-block-inputs-shouldnt-take-txt

issue #333, added color to the exception list for read-only inputs