Splitted the executable property of the PrologInterface and marked getExecutable and setExecutable as deprecated.
removed handling of stack sizes dependend on address bits of prolog
Merge branch 'origin/master'

Conflicts:
	prolog.connector/src/org/cs3/prolog/common/Util.java
Added null check.
Added YAP configurations.
Merge branch 'origin/master'
fixed syntax error in yap
removed problematic imports
Merge branch 'origin/master'
Merge remote-tracking branch 'origin/yap_integration'