[TRAFODION-2079]Catalog API support get indexes
[TRAFODION-2079]Catalog API support get indexes

After this comment, both JDBC type4 and ODBC Catalog API will support
get the information about index.
[TRAFODION-2079]([3rd party tool-Squirrel] indexes won't show up on
objects panel, sql command line works fine) which related to Catalog
API of JDBC type, it is fixed also.

mashengchen/incubator-trafodion,mashengchen/incubator-trafodion,rlugojr/incubator-trafodion,mashengchen/incubator-trafodion,mashengchen/incubator-trafodion,rlugojr/incubator-trafodion,mashengchen/incubator-trafodion,rlugojr/incubator-trafodion,rlugojr/incubator-trafodion,rlugojr/incubator-trafodion,mashengchen/incubator-trafodion,mashengchen/incubator-trafodion,rlugojr/incubator-trafodion,mashengchen/incubator-trafodion,rlugojr/incubator-trafodion,mashengchen/incubator-trafodion,rlugojr/incubator-trafodion,rlugojr/incubator-trafodion,rlugojr/incubator-trafodion,mashengchen/incubator-trafodion