Release 1.5.2 (2013-05-13)

1st chunk of `doc/manual/source/release-notes/rl-1.5.2.md`

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# Release 1.5.2 (2013-05-13)

This is primarily a bug fix release. It has contributions from Eelco
Dolstra, Lluís Batlle i Rossell and Shea Levy.

Title: Release 1.5.2 (2013-05-13) - Bug Fixes

Summary

Release 1.5.2 is primarily a bug fix release with contributions from Eelco Dolstra, Lluís Batlle i Rossell and Shea Levy.