v0.10.6

This is a re-release to fix the Steam Linux build

The Naev DevTeam is proud to announce the release of Naev
version 0.10.6. This releases fixes some minor memory leaks and some
data inconsistencies. It is recommended to update to as soon as
possible. We hope this is the last 0.10 release before 0.11.0.

Changes since 0.10.5

• Fixed potential segfault with invalid semver strings
• Fixed sign error when buying artifacts in the Baron Prince mission (sorry)
• Fixed behaviour of naev.trigger with parameters
• Fixed Lua spfx volume changing with game speed
• Fixed memory leak in luaspfx trails
• Fixed missions doing things in systems they should not
• Fixed Adrenal Gland III's time speed up effect
• Fixed Misi giving upgrades for free
• Fixed minor planet check in frontier war missions
• Fixed silent installs on windows
• Fixed typos