Add BPF support & C-based BPF tic-tac-toe (#1422)

Add initial support for BPF and a C port of tictactoe

programs/noop/Cargo.toml

@@ -1,21 +0,0 @@
-[package]
-name = "noop"
-version = "0.1.0"
-authors = [
-    "Anatoly Yakovenko <anatoly@solana.com>",
-    "Greg Fitzgerald <greg@solana.com>",
-    "Stephen Akridge <stephen@solana.com>",
-    "Michael Vines <mvines@solana.com>",
-    "Rob Walker <rob@solana.com>",
-    "Pankaj Garg <pankaj@solana.com>",
-    "Tyera Eulberg <tyera@solana.com>",
-    "Jack May <jack@solana.com>",
-]
-
-[dependencies]
-solana_program_interface = { path = "../../common" }
-
-[lib]
-name = "noop"
-crate-type = ["dylib"]
-

programs/noop/src/lib.rs

@@ -1,6 +0,0 @@
-extern crate solana_program_interface;
-
-use solana_program_interface::account::KeyedAccount;
-
-#[no_mangle]
-pub extern "C" fn process(_infos: &mut Vec<KeyedAccount>, _data: &[u8]) {}