newsysviews - newsysview: add index views.

Log Message:
-----------
add index views. add 7.4 compat. fix some stuff.

Modified Files:
--------------
    newsysview/sql:
        _typefuncs.sql (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/newsysviews/newsysview/sql/_typefuncs.sql.diff?r1=1.1&r2=1.2)
        table_columns.sql (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/newsysviews/newsysview/sql/table_columns.sql.diff?r1=1.1&r2=1.2)
        tables.sql (r1.2 -> r1.3)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/newsysviews/newsysview/sql/tables.sql.diff?r1=1.2&r2=1.3)

Added Files:
-----------
    newsysview/sql:
        _compat74.sql (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/newsysviews/newsysview/sql/_compat74.sql?rev=1.1&content-type=text/x-cvsweb-markup)
        _compat80.sql (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/newsysviews/newsysview/sql/_compat80.sql?rev=1.1&content-type=text/x-cvsweb-markup)
        _schema.sql (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/newsysviews/newsysview/sql/_schema.sql?rev=1.1&content-type=text/x-cvsweb-markup)
        index_columns.sql (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/newsysviews/newsysview/sql/index_columns.sql?rev=1.1&content-type=text/x-cvsweb-markup)
        indexes.sql (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/newsysviews/newsysview/sql/indexes.sql?rev=1.1&content-type=text/x-cvsweb-markup)