done datasource config
done datasource config; fixes visibility on index route
init
aligns to app/server dir layout
fixes gitignore
adds server template
server-side api to access sample in-memory db

-added api:
GET /tables
GET /columns?table={tablename}
GET /table?name={tablename}
-test database: Northwind DB (HSQLDB)

-progressing RDB view for app: browser for db
minor changes regarding base uri
filters byte-arrays from table when querying

couldn't get de-serialized when displaying in web-app; quick'n'dirty solution
object templates and column selection in objectmap
switch from hsqldb to persistent postgresql
better naming conventions; R2rDesigner -> App
subject template
includes functionality for subject template
integrates a simple predicate->column mapping