chore(lint): enable semicolon and variable-name tslint checks

modules/@angular/integration_test/public_api_spec.ts

@@ -569,7 +569,7 @@ export function main() {
       it(`should fail if public API for ${mod} has changed`, () => {
         var symbols = getSymbolsFromLibrary(mod);
         expect(diff(symbols, API[mod])).toEqual([]);
-      })
+      });
     });
   });
 }

modules/@angular/integration_test/symbol_inspector/symbol_inspector.ts

@@ -47,7 +47,7 @@ const IGNORE =
       originalStack: true,
       wrapperMessage: true,
       wrapperStack: true, '@@observable': true
-    }
+    };
 
 function collectTopLevelSymbols(prefix: string, lib: any):
     string[] {