The big cleanup

Version 5 is a big cleanup release. A lot of code style violations where solved in this release. For details take a look into our sonarqube.

Changes

• Maven was dropped, in favor of gradle.
• Change Compiler.compile() will now throw a CompilationException if compiling fails. (The error status has removed from class Output)
• Change the Importer class into a functional interface (Java8, e39d524)
• Fixes issue with spaces in paths (@larsgrefer, #23)
• Fixes different compilation results between linux and osx (@larsgrefer, #30)
• Fixes mixup of different line separators (41ba0c3)

Upcoming

The next release we will upgrade libsass to version 3.3.4. Also it is planned to cross-compile the native libraries for osx.