Fixed quote_column_name of jdbc_oracle to accept numbers.
Fixed quote_column_name of jdbc_oracle to accept numbers.

keeguon/activerecord-jdbc-adapter,atambo/activerecord-jdbc-adapter,atambo/activerecord-jdbc-adapter,atambo/activerecord-jdbc-adapter,kares/activerecord-jdbc-adapter,kares/activerecord-jdbc-adapter,jruby/activerecord-jdbc-adapter,bruceadams/activerecord-jdbc-adapter,keeguon/activerecord-jdbc-adapter,keeguon/activerecord-jdbc-adapter,bruceadams/activerecord-jdbc-adapter,bruceadams/activerecord-jdbc-adapter,jruby/activerecord-jdbc-adapter,kares/activerecord-jdbc-adapter,jruby/activerecord-jdbc-adapter