Tag CGAL-4.9

The tarballs were create from the previous commit
331eac6, and tested in CGAL-4.9-Ic-155.

Tag CGAL-4.8.2

The tarballs were created from the previous commit,
a19f1fb, tested in CGAL-4.8.2-I-188.

If any, the next release will be 4.8.3.

Tag for CGAL-4.8-beta1

Correspond to the internal release CGAL-4.9-I-117

Tag CGAL-4.8.1

The tarball was actually created from commit
3220792, and tested in the internal
release CGAL-4.8.1-I-174.

Tag CGAL-4.8 final version

Tag for CGAL-4.8-beta2

Corresponds to the internal release CGAL-4.8-Ic-162.

Merge pull request CGAL#853 from sloriot/Filtered_kernel-EPEC_has_sta…

…tic_filters

Filtered_kernel: EPECK uses static filters

Tag for CGAL-4.8-beta1

Corresponds to the internal release CGAL-4.8-Ic-133.

CGAL-4.7 official release