Changed the recommendation about the LICENSE file for third-party bundles#5620

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javiereguiluz wants to merge 2 commits intosymfony:2.3from

javiereguiluz:fix_5599

Commits on Aug 11, 2015

Changed the recommendation about the LICENSE file for third-party bundles
javiereguiluz
committed

Commits on Aug 18, 2015

Reworded the desription about the used license
javiereguiluz
committed