set scrollbar auto for iframe
ZEPPELIN-72 - Show horizontal scrollbar for visualization
Autoheight iframe based on content update.
Merge branch 'master' into auto_resize_iframe

Conflicts:
	zeppelin-web/app/controllers.js
	zeppelin-web/app/views.js
[web] build switched to awesome frontend-maven-plugin for nodejs dependency
[web] travis-ci not to using deafult node.js\npm any more
[web] Force switching to brunch installed in current dir
[web]: switching to localy-installed brunch.io as suggested by eirslett/frontend-maven-plugin#19
Merge branch 'master' into auto_resize_iframe
[web] updating the project docs
Merge branch 'master' into auto_resize_iframe
Merge branch 'master' into build_without_nodejs_external_dependency
[web] moving brunch installation from pom.xml to devDependencies in package.json
[web] ember-handlerbar template pre-compilation plugin updated to match handlebar version
Merge pull request #15 from NFLabs/auto_resize_iframe

Show horizontal scrollbar and auto height based on iframe content
Merge pull request #24 from NFLabs/build_without_nodejs_external_dependency

Switching web-app build to embed node.js dependency in maven