replace deprecated elements
some javadocs, suppress some unused warnings, remove constructors that are not necessary
uiMode configuration for ERD2WCustomQueryBoolean, so one can query with a
popup, defaults to radio mode for backward compatibility.
Merge pull request #319 from btriller/uimode-erd2wcustomqueryboolean

uiMode configuration for ERD2WCustomQueryBoolean, so one can query with ...
remove methods like synchronizesVariablesWithBindings where not necessary
should call super
replace deprecated/old method calls
remove eclipse project override settings
small cleanup

remove unused variables, use boolean instead of Boolean
javadocs, overrides and some whitespace
fix imports

this cleans up the imports by replacing asterisk imports (which is considered bad practice), removing unused ones, adding needed ones and letting Eclipse do auto-ordering
get rid of "this." where it is not necessary
remove unnecessary casts
add all missing overrides... really all
add missing deprecated annotations
Merge pull request #360 from darkv/code_cleanup

Code cleanup