more intuinitve configuration interface in graphicalitem. Improve code
for the future references (in case if new color type will be added).
Change X-AW-*Color values to ones with prefixes (added autoconversion
from old-version api)
Bump API version and add new parameters. Also:
1. Fix function combobox in configuration UI.
2. Drop datasource from time engine as well.
3. Small edit abstractdesources class