Some various additions

Reverted some previous changes, as they caused some issues in the last release. This reapplied any relevant bugs fixed however.

Issues: #8.

Also changed pom to keep java 1.7

Conflicts:
	com.amd.aparapi/src/java/com/amd/aparapi/internal/kernel/KernelRunner.java

file moved to com.amd.aparapi/src/main/java/com/amd/aparapi/internal/kernel/KernelRunner.java