timerange fix (current time before/after midnight)
Merge pull request #38 from gerhardol/master.go

Cell-id - Issue #30
condition: event conditions true/false fixed
strings update, donation dialog created
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Updates

* changed values-sv to values-sv-rSE (Android Locale identifier used to name "values-" directories)
* added last string before release version to strings.
* updated about page
* fixed strings bugs
* created welcome to sfen dialog with giving option to create some simple events/conditions
added new dir
Updated Swedish translation