[gtksourceview] (13 commits) Non-fast-forward update to branch wip/chergert/glyph-alignment

[Christian Hergert <chergert src gnome org>]

The branch 'wip/chergert/glyph-alignment' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  573c539... map: use new textview API to fix glyph alignment

Commits added to the branch:

  c73ffc8... map: fix another default font setting (*)
  60e27b4... map: tweak styling of slider over map (*)
  7227906... map: give better measurements for the map width (*)
  bf2569d... map: adjust size request for borders (*)
  0ae7130... map: improve slider positioning (*)
  b07c2de... map: use left-margin to center primary text region (*)
  41aa536... map: avoid string copy when reloading CSS (*)
  d94fbbf... map: jump to click position (*)
  2c6e950... map: make scrolling from drag immediate (*)
  66e7f19... build: include math.h (*)
  f02e365... map: style cleanup (*)
  e6433e2... map: mix foreground with background for general text (*)
  becafce... map: use new textview API to fix glyph alignment

(*) This commit already existed in another branch; no separate mail sent