webgis: set default values for drawn features (title and description)
webgis: added Project_registry model and updating its records when starting application
webgis: changed all comboboxes to be non-editable
webgis: update of application's layout
Merge branch 'master' of https://github.com/imincik/gis-lab
webgis: updated style of layers attributions
webgis: updated map scale tool