New upstream release

* Update install file for new AppStream metadata install location
* Drop patches applied in new release:
  - git_fat_chars.patch
  - 0018-tracker-search-engine-don-t-start-it-if-not-availabl.patch
  - 0019-search-engine-add-locate-based-search-engine.patch
  - 0020-search-engine-simple-don-t-leak-DateRange-array-if-n.patch