This patch is patch no.3 - copy/paste table(s)

Changed files and short description

File name                                             Changes
-------------------------------------------------------------------------------------------------
pgadmin/ctl/ctlCheckTreeView.cpp                      copy/paste tables list form
pgadmin/db/pgConn.cpp                                 new method PGresult * ExecuteOptionalResult(const wxString &sql, bool reportError = true);
pgadmin/frm/events.cpp                                copy/paste tables support
pgadmin/frm/frmMain.cpp                               copy/paste tables support and Flush after StoreServers
pgadmin/include/ctl/ctlCheckTreeView.h                copy/paste tables list form support
pgadmin/include/db/pgConn.h                           new method PGresult * ExecuteOptionalResult(const wxString &sql, bool reportError = true);
pgadmin/include/frm/frmMain.h                         copy/paste tables support
pgadmin/include/images/module.mk                      copy/paste tables support
pgadmin/include/images/pastetables.png                copy/paste tables toolbar icon
pgadmin/include/schema/pgTable.h                      new method bool GetDistributionIsRandom()
pgadmin/include/schema/pgTrigger.h                    new method pgFunction *GetTriggerFunction()
pgadmin/include/utils/module.mk                       copy/paste tables support
pgadmin/include/utils/pasteTables.h                   copy/paste tables header file
pgadmin/schema/pgColumn.cpp                           serial and bigserial definition additions
pgadmin/ui/frmCopyTables.xrc                          copy/paste tables form
pgadmin/ui/module.mk                                  copy/paste tables support
pgadmin/utils/module.mk                               copy/paste tables support
pgadmin/utils/pasteTables.cpp                         copy/paste tables implementation