Big refactoring in order to allow multiple TAP versions (1)

TASMAN-core/src/main/java/it/inaf/ia2/tsm/ChildEntity.java

TASMAN-core/src/main/java/it/inaf/ia2/tsm/Column.java

...core/src/main/java/it/inaf/ia2/tsm/ConsistencyChecks.java

TASMAN-core/src/main/java/it/inaf/ia2/tsm/Dao.java

TASMAN-core/src/main/java/it/inaf/ia2/tsm/DaoColumn.java

TASMAN-core/src/main/java/it/inaf/ia2/tsm/DaoKey.java

TASMAN-core/src/main/java/it/inaf/ia2/tsm/DaoSchema.java

TASMAN-core/src/main/java/it/inaf/ia2/tsm/DaoTable.java

...core/src/main/java/it/inaf/ia2/tsm/EntitiesContainer.java

...AN-core/src/main/java/it/inaf/ia2/tsm/EntityProperty.java

...core/src/main/java/it/inaf/ia2/tsm/InconsistentValue.java

...ore/src/main/java/it/inaf/ia2/tsm/InsertQueryBuilder.java

TASMAN-core/src/main/java/it/inaf/ia2/tsm/Key.java

TASMAN-core/src/main/java/it/inaf/ia2/tsm/KeyColumn.java

TASMAN-core/src/main/java/it/inaf/ia2/tsm/KeyMetadata.java

TASMAN-core/src/main/java/it/inaf/ia2/tsm/Schema.java

...ore/src/main/java/it/inaf/ia2/tsm/SelectQueryBuilder.java

TASMAN-core/src/main/java/it/inaf/ia2/tsm/Status.java

TASMAN-core/src/main/java/it/inaf/ia2/tsm/TSMUtil.java

TASMAN-core/src/main/java/it/inaf/ia2/tsm/Table.java