removed dependency to ceylon.collection
Merge pull request #57 from DiegoCoronel/issue_45

removed dependency to ceylon.collection
Fix for #29: fixed casing issues in my APIs
Updated json with Iterable param
Fix for #38: module doc is wrong
percentEncoder: make sure we pass a JByte and not a wrapped Integer
Fix for #27: put and remove in MutableMap should return previous value, add and remove in MutableSet should return Boolean
Update to new Undertow api.
Prameter rename.
Remove http from class names.
Use Undertow Alpha1.
Apply charset on merge.
Use ascii encoding in test.
Packages rename.