qnd: added ZeroClipboard to support copying text from Preview & Embed

git-svn-id: svn+ssh://kelev.kaltura.com/usr/local/kalsource/backend/server/tags/gemini_2013_02_18@94383 6b8eccd3-e8c5-4e7d-8186-e12b5326b719
qnd: added localStorage fallback for older browsers

git-svn-id: svn+ssh://kelev.kaltura.com/usr/local/kalsource/backend/server/tags/gemini_2013_02_18@94384 6b8eccd3-e8c5-4e7d-8186-e12b5326b719
qnd: updated versions of QR code and EmbedCode generators

git-svn-id: svn+ssh://kelev.kaltura.com/usr/local/kalsource/backend/server/tags/gemini_2013_02_18@94385 6b8eccd3-e8c5-4e7d-8186-e12b5326b719
adding empty directories