[dia] (3 commits) Non-fast-forward update to branch neduard/update_dev_docs

[Eduard <neduard src gnome org>]

The branch 'neduard/update_dev_docs' 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:

  e2874ee... #30 Move what was in README to HACKING & Update README.
  6c57eef... #30 Move INSTALL to BUILDING.md and update it.
  8b3a259... Mention previous homepage live.gnome.org/Dia.

Commits added to the branch:

  1f930b9... Update POTFILES.skip (*)
  6535f6a... #30 Move what was in README to HACKING & Update README.
  b614343... #30 Move INSTALL to BUILDING.md and update it.

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