implemented most of class ZestSimpleLoop
Merge remote-tracking branch 'upstream/master'
ZestLoop first code
added UML for ZestLoop
Added comments for each class/method
Added ZestLoop and some tests. Version uses Generics
Added ZestLoopString and tests
Cleaned up ZestLoops, Removed ZestLoopToken class, some of the
needed tests, new UML
Supported Loops through Integers and some more tests
removed useless package tries
Fixed Deserialization bug in ZestJSON
tests, deepCopy method is now abstract in ZestLoop class
Added Loops and tests.
cleaned the code
Merge remote-tracking branch 'upstream/master' & removed unuseful test
of Regex Expression with null params.

Conflicts:
	src/org/mozilla/zest/core/v1/ZestJSON.java
	src/org/mozilla/zest/core/v1/ZestStructuredExpression.java
	test/org/mozilla/zest/core/v1/ZestAllTestSuite.java
	test/org/mozilla/zest/core/v1/ZestConditionalRegexUnitTest.java
Merge pull request #36 from seccoale/master

ZestLoops