add elasticmq endpoint
Merge remote-tracking branch 'upstream/2.5' into elasticmq_2.5
Merge pull request #90 from PeteE/elasticmq_2.5

Add ElasticMQ SQS Endpoint
Replaced lambdas with direct method pointer.
Avoid emitting "&#x0;" when rendering XML since it is NOT valid in XML.
Merge pull request #91 from bjorg/DR-110

DR-110 Don't emit null chars when rendering XML
Moving RemoveSpecialChars to StringUtil from Deki
Merge pull request #92 from yurigorokhov/pull_MT-14045_2.5

Moving RemoveSpecialChars to StringUtil from Deki