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In the recent commit d4ad95f0 [1], the OpenEmbedded-Core repository
updated python from version 2.7.3 to 2.7.9. To make meta-ros
compatible to the latest commits, the bbappend files are renamed to
be version independent.

[1] http://cgit.openembedded.org/openembedded-core/commit/?id=d4ad95f0d5f08891637c644e85b09da9c4585059

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@oss.bmw-carit.de>