Add a Licence about il-repack

[darinkes]

//
// Copyright (c) 2011 Francois Valdy
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

In every Source-File. But you are right, a license-file for compiled package is missing.

+1 :)

[gluck]

Happy to hear it's used to the point people care about its license.