first code to ConnectionManager impl
next update connection manager impl
mismas
Json loading tree connection node
working tree, connect still not works
ConnManager - connect works, edit not
Dialog for connector prop edit designed v1.0

some classes to implement DB Driver correctly
minor update on driver inner impl
try to change jtree
connection Manager, editable node names in tree
Update README.md
rearrange popup menu connection manager
driver instance choose dialog created
driver dialog update
driver editor, data checking
reorganization of core step 1
reorganization of core step 2, done
resolve #39, resolve #30
fix #51
connection driver cleaning