Short-term hack for prompt replies.

Added HTTP handler for prompt replies in order to prove concept.

Jira issue: WP-956
Merge remote-tracking branch 'upstream/master' into dashboard-prompting-01
Add support for wgt:// protocol

Jira issue: wp-991
Merge pull request #14 from TobyEalden/dashboard-prompting-01

Asynchronous prompting
pass path to node_modules to module loading funcs

fixes loading api modules that are installed with npm link.

Jira-issue: WP-1018
Merge pull request #16 from aldafu/WP-1018-fix-loading-npm-linked-modules

pass path to node_modules to module loading funcs
Merge remote-tracking branch 'upstream/master'