I tried the 3.8 branch too, with two ways:
a) use eclipse with "import from existing maven project"
- error "plugin execution not covered by lifecycle configuration" for multiple steps (javacc, flatten,..)
- could not find eclipse plugins readily working for this goals
b) generate project file with maven3 eclipse:eclipse goal
- error "Failed to execute goal on project liquibase-maven-plugin: Could not resolve dependencies..."
I admit beeing not fluent with maven though..