[All] Add missing @Override and correct the LGPL header

src/adql/db/DBCommonColumn.java

src/adql/db/DefaultDBTable.java

src/adql/db/SearchColumnList.java

src/adql/db/SearchTableList.java

src/adql/db/exception/UnresolvedJoin.java

src/adql/query/ADQLQuery.java

src/adql/query/ClauseADQL.java

src/adql/query/from/ADQLJoin.java

src/adql/query/from/FromContent.java

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

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

src/adql/query/operand/function/geometry/RegionFunction.java

src/tap/error/DefaultTAPErrorWriter.java

src/tap/metadata/TAPType.java

src/tap/metadata/VotType.java

src/tap/parameters/MaxRecController.java

src/tap/resource/ASync.java

src/uws/job/UWSJob.java

src/uws/job/manager/AbstractQueuedExecutionManager.java

src/uws/job/manager/QueuedExecutionManager.java