CVS Commit by dpage: Use schema 'pgadmin' as PostgreSQL makes it

Log Message:
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Use schema 'pgadmin' as PostgreSQL makes it difficult to create schemas starting with pg_.
Remove dependencies on oids. (Basically untested at this time)

Modified Files:
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    pgagent:
        pgagent.sql (r1.2 -> r1.3)
    pgagent/src:
        connection.cpp (r1.1 -> r1.2)
        job.cpp (r1.2 -> r1.3)
        pgAgent.cpp (r1.2 -> r1.3)
        pgAgent.dsp (r1.3 -> r1.4)
    pgagent/src/include:
        connection.h (r1.1 -> r1.2)
        job.h (r1.1 -> r1.2)