[geary/gtk-3.10] (15 commits) ...Merge branch 'master' into gtk-3.10

[Jim Nelson <jnelson src gnome org>]

Summary of changes:

  86a52eb... [l10n] Updated help Italian translation. (*)
  9e54050... Updated Hebrew translation (*)
  1846784... Sharpen count badges in sidebar (*)
  ec23e76... Reduce workload during search table re-population (*)
  21ea94e... Use IN rather than OR to avoid SQLite error w/ large querie (*)
  1b62b3b... Increase window size during background prefetch (*)
  0b30d59... Add Italian to CMake's list of help translations (*)
  343f3ba... Support file path and URI attachment paths: Closes bgo 7267 (*)
  201af22... Prevent AccountSynchronizier from deadlocking under certain (*)
  b954380... Assume UTC if no timzone spec'd in INTERNALDATE: Closes bgo (*)
  3940bf7... Make Geary compat. with mail.ru and netcourrier.com: Closes (*)
  b6cceac... Fix bug introduced in prior commit (*)
  f38c8c7... Fix composed email Date: header: Closes bug #714376 (*)
  0eb0a2d... Some date-related fixes (*)
  190f73a... Merge branch 'master' into gtk-3.10

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