Merge pull request #169 from pleroy/PluginTest

Get data from SolarSystem for testing the plugin.
Test initialistation
lint
Merge pull request #170 from eggrobin/plugin-tests

Test successful initialisation of Plugin
Move data to SolarSystem.
Fix compilation error.
Merge pull request #172 from pleroy/SolarSystem

Move test data to SolarSystem.
another fixture
Merge remote-tracking branch 'la-vache/master' into plugin-tests
Test vessel insertion
Merge pull request #173 from eggrobin/plugin-tests

Plugin tests
Fix comment.
Merge branch 'master' into PluginTest
A death test and preprocessor changes.
More death testing.