0.15.0

• fix: resolving GitFile BuildInput failed if filename contained unusual characters
• fix: GitFile BuildInput paths containing globs were resolved by the shell, this caused that files that those paths resolved to files that were not tracked in the git repository
• build output are now prefixed with the application name in baur build --verbose output
• internal exec package refactored
• 3.party libraries updated
• binaries build with Go 1.12.4