fixing issue#402
minor refactoring
Forgot to change a few places.
removed dead test
test for !X
minor
removed K-FRESH
added comment
minor
Merge branch 'master' into unified-builtins2

Conflicts:
	tests/config.xml
add floats to java rewrite engine
fix copyright
fix java logik to use regex
Merge branch 'master' into unified-builtins2

Conflicts:
	tests/config.xml
	tests/configjavarw.xml
disable test that is broken due to bug in unified-builtins2
Merge pull request #499 from dwightguth/unified-builtins2

Unified builtins2
Merge branch 'unified-builtins2' into floats

Conflicts:
	samples/java_rewrite_engine/tutorial/2_languages/4_logik/tests/append-4.logik.out
	samples/java_rewrite_engine/tutorial/2_languages/4_logik/tests/reverse-fast-palindromes-1.logik.out
	samples/java_rewrite_engine/tutorial/2_languages/4_logik/tests/reverse-slow-palindromes-1.logik.out
	tests/regression/config.xml
fix logik regex tests
fix code review comments
Amending some of Dwight's comments:
   - added a check to ensure [bracket] is used properly
   - fixed some comments.