5.0.0

• Breaking Change: Completely removed Abstraction over Template types, only interpreted survives
• Breaking Change: Removed all API deprecated in version 4
• Breaking Change: Switch to Java 8 language level
• Bug fix / Enhancement: if statement more robust (#8)
• Refactoring / Cleanup: Removed all caliper tests and real life test
• Deprecation: Configurable expression syntax, will be fixed to ${...}
• Enhancement: transform using a null template will yield null