[librsvg: 2/2] Merge branch 'arc-cmd' into 'master'

[Federico Mena Quintero <federico src gnome org>]

commit c73ef106f03a2772c40567f2422bd0926beb74a4
Merge: e0561c1a ba04ca79
Author: Federico Mena Quintero <federico mena gmail com>
Date:   Thu Aug 9 22:04:14 2018 +0000

    Merge branch 'arc-cmd' into 'master'
    
    Add PathBuilder Arc command
    
    Closes #190
    
    See merge request GNOME/librsvg!107

 rsvg_internals/src/marker.rs       |  45 +++-
 rsvg_internals/src/path_builder.rs | 494 +++++++++++++++++++++----------------
 rsvg_internals/src/path_parser.rs  |   6 +-
 3 files changed, 329 insertions(+), 216 deletions(-)
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