[geary] (4 commits) Non-fast-forward update to branch wip/714317-hide-html-in-preview

[Michael Gratton <mjog src gnome org>]

The branch 'wip/714317-hide-html-in-preview' 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:

  41002ed... Combine fetch and convo message codepaths for generating pr
  9da9191... Fix conversation message preview being cut off on wide scre
  cc4f344... Don't generate a preview from non-text parts, e.g. multipar

Commits added to the branch:

  1879ea8... Combine fetch and convo message codepaths for generating pr
  f4d6b72... Fix conversation message preview being cut off on wide scre
  7d111d9... Don't generate a preview from non-text parts, e.g. multipar
  180539f... Remove hacks for MIME part headers when processing preview