refactor(compiler): rename /compiler_cli to /compiler-cli

modules/@angular/compiler-cli/index.ts

@@ -0,0 +1,4 @@
+export {CodeGenerator} from './src/codegen';
+export {NodeReflectorHost} from './src/reflector_host';
+export {StaticReflector, StaticReflectorHost, StaticSymbol} from './src/static_reflector';
+export * from '@angular/tsc-wrapped';