update epiceditor to latest and unminified version

use unminified version of epiceditor because meteor will minify them later anyway.
Merge pull request #394 from pahans/patch-1

update epiceditor to latest(0.2.2) and unminified version
use epic editor autogrow feature
use latest styles from epic editor 0.2.2
Merge pull request #395 from pahans/use-epic-editor-autogrow-feature

Use epic editor autogrow feature
theme frontends added