Version bump

And authors update

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "solana"
 description = "Blockchain, Rebuilt for Scale"
-version = "0.7.0-rc.6"
+version = "0.7.0"
 documentation = "https://docs.rs/solana"
 homepage = "http://solana.com/"
 readme = "README.md"
@@ -10,6 +10,10 @@ authors = [
     "Anatoly Yakovenko <anatoly@solana.com>",
     "Greg Fitzgerald <greg@solana.com>",
     "Stephen Akridge <stephen@solana.com>",
+    "Michael Vines <mvines@solana.com>",
+    "Rob Walker <rwalker@solana.com>",
+    "Pankaj Garg <pgarg@solana.com>",
+    "Tyera Eulberg <tyera@solana.com>",
 ]
 license = "Apache-2.0"