Rename ENS ABI to eip-205 (ethereum#1406)

* Draft EIP for ENS support for contract ABIs

* Fix signature for resolver function

* Rename abi to ABI to avoid name clashes

* Update and rename eip-ens-abi-lookup.md to eip-634.md

* Update eip-634.md

* Update eip-634.md

* Update and rename eip-634.md to eip-205.md

* Delete eip-634.md

EIPS/eip-634.md → EIPS/eip-205.md

@@ -1,5 +1,5 @@
 ---
-eip: 634
+eip: 205
 title: ENS support for contract ABIs
 author: Nick Johnson <[email protected]>
 type: Standards Track