CVS Commit by andreas: support of pg_xxx_size if available

Log Message:
-----------
support of pg_xxx_size if available

Modified Files:
--------------
    pgadmin3:
        CHANGELOG.txt (r1.117 -> r1.118)
    pgadmin3/src/db:
        pgConn.cpp (r1.49 -> r1.50)
    pgadmin3/src/include:
        pgConn.h (r1.25 -> r1.26)
        pgIndex.h (r1.23 -> r1.24)
        pgTablespace.h (r1.2 -> r1.3)
    pgadmin3/src/schema:
        pgCollection.cpp (r1.34 -> r1.35)
        pgDatabase.cpp (r1.59 -> r1.60)
        pgIndex.cpp (r1.32 -> r1.33)
        pgObject.cpp (r1.71 -> r1.72)
        pgTable.cpp (r1.54 -> r1.55)
        pgTablespace.cpp (r1.6 -> r1.7)
    pgadmin3/src/ui:
        frmStatus.cpp (r1.34 -> r1.35)

Added Files:
-----------
    pgadmin3/src/include:
        features.h (r1.1)