add batch write functionality, put and delete, add tests
add back dynamodb imports
add back dynamodb imports to query_builder_test
fix up tests
revert import to remote
add functionality for creating a table
add ability to put non-existent attributes to dynamo
Merge pull request #41 from Sproutling/master

add batch write functionality, put and delete, add tests; add create table
Fix broken tests
Merge pull request #42 from rubyphunk/master

Fix broken tests
Updated the ELB endpoints

reference: http://docs.aws.amazon.com/general/latest/gr/rande.html#elb_region
Merge pull request #43 from alimoeeny/patch-11

Updated the ELB endpoints
Added ListMetrics method
Removed Namespace from the constructor as not all AWS API method needs it
and for methods like ListMetrics you could need to call the method without
a Namespace to list all available metrics
fixed list_metrics.go in the examples dir
rework query_builder to use golang json marshaller, fixes bugs relating to quoting (e.g. attribute value with double-quote character - work done by Mark Boyd
Merge pull request #47 from jbert/master

Switch to using the built-in encoding/json marshaller for query building (work done by Mark Boyd)
Fixing s3 Exists
Removes examples because they were causing
tests to fail.
dynamodb: Fix AddUpdates() to build UpdateItem() query properly

See also: http://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_UpdateItem.html
dynamodb: go fmt