code documentation
documented
documented
removing unused stuff
test amended
Merge pull request #219 from pisaychuk/documentation

Test documentation, few amendments.
Merge pull request #220 from raghavgautam/cleanup

removing unused stuff
EL tests merged together. ELUtil replaced to ELValidationTest and TimeUtil. Duplicate code reduced.
Merge pull request #221 from pisaychuk/EL-cleanup

EL tests merged together.
fixes in AssertUtils
provide AssertUtil usage