[vala] (4 commits) Non-fast-forward update to branch wip/issue/1329

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'wip/issue/1329' 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:

  4d9c0d0... codegen: Split reserved identifiers for C and Vala
  636e802... codegen: Check cname of fields and methods against reserved

Commits added to the branch:

  05b7ed1... vala: Avoid critical in SourceFile.get_mapped_length() (*)
  b98d970... codegen: Make sure to initialize static collections
  ecf55f6... codegen: Split reserved identifiers for C and Vala
  27d5595... codegen: Check cname of fields and methods against reserved

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