Add Asa as an owner (ethereum#44)

.github/CODEOWNERS

@@ -1,32 +1,5 @@
 # Lines starting with '#' are comments.
 # Each line is a file pattern followed by one or more owners.
 
-accounts/usbwallet @karalabe
-consensus @karalabe
-core/ @karalabe @holiman
-eth/ @karalabe
-les/ @zsfelfoldi
-light/ @zsfelfoldi
-mobile/ @karalabe
-p2p/ @fjl @zsfelfoldi
-swarm/bmt @zelig
-swarm/dev @lmars
-swarm/fuse @jmozah @holisticode
-swarm/grafana_dashboards @nonsense
-swarm/metrics @nonsense @holisticode
-swarm/multihash @nolash
-swarm/network/bitvector @zelig @janos @gbalint
-swarm/network/priorityqueue @zelig @janos @gbalint
-swarm/network/simulations @zelig
-swarm/network/stream @janos @zelig @gbalint @holisticode @justelad
-swarm/network/stream/intervals @janos
-swarm/network/stream/testing @zelig
-swarm/pot @zelig
-swarm/pss @nolash @zelig @nonsense
-swarm/services @zelig
-swarm/state @justelad
-swarm/storage/encryption @gbalint @zelig @nagydani
-swarm/storage/mock @janos
-swarm/storage/mru @nolash
-swarm/testutil @lmars
-whisper/ @gballet @gluk256
+# default owners for everything in the repo.
+* @asaj