Merge pull request #60 from karianna/master

Improve Build and README. Thanks Martijn :)
No longer tails log files
Sonar Major Warnings: Visibility Modifier
fixed missing constants
Merge pull request #61 from neomatrix369/sonarMajorWarnings_VisibilityModifier

Sonar Major Warnings: Visibility Modifier. Thanks Mani :)
fixup dup constants after merging PR
Preparation for fast-feedback mode
Add Java 8 profile to build