extNavTable: Updated to latest version

navtable is updated to the latest version in the main repository. As
only the config and the icons are modified in siga; instead of using
subtrees we copy&paste the repo. icons and config are re-writed on
deploy with the values set in create-gvsig-portable
extNavTableForms: Updated to latest version

navtableforms is updated to the latest version in the main repository.
As there aren't differences between upstream create a subtree is not
needed
To avoid compilation errors in navtableforms and elle
a couple of methods and a class of upstream-elle is pushed to the
repo
extDBConnection: Added jcalendar jar

Must be in the same path that formsrt
extGEX: Updated to use navtableforms project instead of a jar
extGIA: Updated to use navtableforms project instead of a jar
extPM: Updated to latest version of navtableforms
extAudasaCommons: Update to latest navtableforms
extGEX: Adds a form for the expropiation line