v2.0.1 - SF3.4+ deprecations

Updates regarding SF 3.4 + due to deprecations (#14)

* Service made public, added environment

Due to deprecation of access to services through the container.
Process class requires environment in SF 4.0

* Added environment

Due to deprecation since SF 3.3, start method requires an array of environments

* Replaced ProcessBuilder with Process

As of SF 3.4, the ProcessBuilder is deprecated

* Removed import ProcessBuilder

* Updated UnitTest for Rasterizer