Release Name: 2.5.1

Notes:
Minor bugfix release.


Changes:
  * Fixed bug with invocation of flite.
  * Fixed localization issues (sort of).
  * Updated Spanish translations.
  * Added ability to manually set/override AGPS with "Set GPS Position" menu
    item (accessibility via the tap-and-hold menu).
  * Fixed indeterminant seg fault with "Add POI" button from context menu.