(iOS & Android) Add postMessage API support#362

Merged

janpio merged 3 commits intoapache:masterfrom dpa99c:GH-362-postMessage

Dec 13, 2018

+130-21

Commits on Dec 4, 2018

apacheGH-362 : Add support for postMessage API to Android and iOS platforms
dpa99c
committed

Commits on Dec 5, 2018

Remove unneccessary nulling of UIWebView delegate.
dpa99c
committed

Commits on Dec 7, 2018

apacheGH-362 : Make documentation of postMessage API clearer
dpa99c
committed