Update changelog and package.xml to 0.7.0 (flexible-collision-library…

…#547)

Update changelog & package for 0.7.0

FCL 0.6.1

FCL 0.6.1

Dispositioning PRs since v 0.5.0 (flexible-collision-library#440)

This is the exhaustive list of all PRs since v 0.5.0, summarized and
grouped (as appropriate).

This also includes a re-format so that it fits within an 80-column
document.

Update README code snippets; reflects syntax changes. (flexible-colli…

…sion-library#410)

* Update README code snippets; reflects syntax changes.

The example code was based on syntax used in the pre-Eigen days.

Bump version to 0.3.4

Merge pull request flexible-collision-library#155 from flexible-colli…

…sion-library/fix_broadphase_test

Fix broadphase test -- add missing parameter

Use major.minor version for ABI (flexible-collision-library#145)

(cherry picked from commit 6967c00)

Merge pull request flexible-collision-library#139 from flexible-colli…

…sion-library/packaging-0.5.0

Releasing 0.5.0

Merge pull request flexible-collision-library#92 from flexible-collis…

…ion-library/version_up_0.4.0

Bump version to 0.4.0