Merged from source: r276
* Error checking for files.
* New ships, items, quests, expeditions added.
* Updated ship resource costs.
* *New* Reminder notification for expedition fleets that have arrived.
* *New* Mission List
* EXP calculator updated for the new 150 level limit.
Release: 0.5.8
Merge branch 'master' of https://github.com/Zharay/logbook