Initial integration of dynamic contracts and native module loading (#1256)

* Integration of native dynamic programs

programs/print/Cargo.toml

@@ -0,0 +1,22 @@
+[package]
+name = "print"
+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]
+libloading = "0.5.0"
+solana = { path = "../.." }
+
+[lib]
+name = "print"
+crate-type = ["dylib"]
+

programs/print/src/lib.rs

@@ -0,0 +1,9 @@
+extern crate solana;
+
+use solana::dynamic_program::KeyedAccount;
+
+#[no_mangle]
+pub extern "C" fn process(infos: &mut Vec<KeyedAccount>, _data: &[u8]) {
+    println!("AccountInfos: {:#?}", infos);
+    //println!("data: {:#?}", data);
+}