Merge pull request #469 from kedar2a/mongokit

Observation App - Changed file names, Marker Popup redifined
Uniqueness is maintained now for each hierarchy level of themes
Conditions applied for saving and reloading page
Bug removed in urls
Collections are maintained while editing themes
Tag included
Merge pull request #470 from sunnychaudhari/mongokit

Uniqueness is maintained now for each hierarchy level of themes.
Forum - CSS fix for text content