[ALL] Update Javadoc links and UWSService description

src/adql/db/DBChecker.java

src/adql/db/STCS.java

src/adql/query/operand/function/UserDefinedFunction.java

src/adql/translator/JDBCTranslator.java

src/tap/ADQLExecutor.java

src/tap/AbstractTAPFactory.java

src/tap/ServiceConnection.java

src/tap/TAPFactory.java

src/tap/TAPSyncJob.java

src/tap/config/ConfigurableTAPFactory.java

src/tap/config/ConfigurableTAPServlet.java

src/tap/config/TAPConfiguration.java

src/tap/data/LimitedTableIterator.java

src/tap/data/ResultSetTableIterator.java

src/tap/data/VOTableIterator.java

src/tap/db/DBConnection.java

src/tap/db/JDBCConnection.java

src/tap/formatter/JSONFormat.java

src/tap/formatter/SVFormat.java

src/tap/formatter/TextFormat.java