Update test configs now that everything passes.

mega-test-quick.cfg

-linux-gcc-4.7      1779 ./super-test.sh tmpdir capnp-gcc-4.7 quick
-linux-gcc-4.8      1782 ./super-test.sh tmpdir capnp-gcc-4.8 quick gcc-4.8
-linux-clang        1802 ./super-test.sh tmpdir capnp-clang quick clang
+linux-gcc-4.7      1787 ./super-test.sh tmpdir capnp-gcc-4.7 quick
+linux-gcc-4.8      1790 ./super-test.sh tmpdir capnp-gcc-4.8 quick gcc-4.8
+linux-clang        1810 ./super-test.sh tmpdir capnp-clang quick clang
 mac                 807 ./super-test.sh remote beat caffeinate quick
 cygwin              812 ./super-test.sh remote Kenton@flashman quick

mega-test.cfg

-linux-gcc-4.7     12075 ./super-test.sh tmpdir capnp-gcc-4.7
-linux-gcc-4.8     10761 ./super-test.sh tmpdir capnp-gcc-4.8 gcc-4.8
-linux-clang       12174 ./super-test.sh tmpdir capnp-clang clang
-mac                5064 ./super-test.sh remote beat caffeinate
-cygwin             5817 ./super-test.sh remote Kenton@flashman
+linux-gcc-4.7     14763 ./super-test.sh tmpdir capnp-gcc-4.7
+linux-gcc-4.8     13108 ./super-test.sh tmpdir capnp-gcc-4.8 gcc-4.8
+linux-clang       14891 ./super-test.sh tmpdir capnp-clang clang
+mac                5740 ./super-test.sh remote beat caffeinate
+cygwin             6762 ./super-test.sh remote Kenton@flashman