[gcalctool/vala] (29 commits) ...Merge with master

[Robert Ancell <rancell src gnome org>]

Summary of changes:

  af7dccb... Finnish translation update by Jiri GrÃnroos (*)
  c0874ec... Allow multiple instances of gcalctool (*)
  09aef4a... Fix broken tag in Romanian help translation (*)
  9931a0a... Updated Danish translation (*)
  afc95ba... Updated Spanish translation (*)
  c4e7988... Updated Lithuanian translation (*)
  c71c2c1... Releasing 6.5.92 (*)
  afd9538... Updated Spanish translation (*)
  d3ac7f9... Fixed plurals in Brazilian Portuguese translation (*)
  eb01bdf... hindi updated file by Chandan Kumar (*)
  019fbfc... Updated Malayalam file (*)
  d438900... Updated Malayalam file (*)
  79acd0c... Updated kn translation (*)
  b652afe... [l10n] Updated Italian translation. (*)
  c1b2240... [l10n] Updated Catalan translation (*)
  b40da0c... [l10n]Updated Catalan (Valencian) translation (*)
  8bde90e... Updated Japanese translation. (*)
  9208be5... [l10n] Updated Estonian translation (*)
  a1389e5... Updated Latvian translation (*)
  25cb3e4... Releasing 6.6.0 (*)
  fa73b5e... Fixes for Greek translation (*)
  36ed46a... window: add a shadow around the scrolled window (*)
  01a4c71... Updated Latvian translation (*)
  87a364d... Fix error reporting issue (*)
  c594aff... Updated Hebrew translation. (*)
  8d4cf36... Updated Polish translation (*)
  136af2f... Updated Czech translation (*)
  ee76472... Error reporting and correction in ergonomic way. (*)
  a2f1431... Merge with master

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