Fixed search options. The parameter is not 'options' but 'q.options', as specified in https://docs.aws.amazon.com/cloudsearch/latest/developerguide/search-api.html#search-request-parameters
fixes typo bug #2428
SQS module: add support for profile_name
Merge pull request #1 from behanceops/sqs-connection-profile-name

SQS module: add support for profile_name
Add recognized HTTP headers

Add X-Robots-Tag and Content-Language as HTTP headers which should not have x-amz-meta prefix.
Improve metadata processing (system vs. user-defined).

Let Key.base_fields (boto/s3/key.py) be a list of all system metadata. All
metadata processing shall refer to that list and treat everything included
as system metadata and everything else as user metadata (which gets
x-amz-meta- prefix.)
Fix stupid typo in my previous commit.
Do not percent-encode white space character in S3 metadata.
Add nose tags to SQS tests.
Add a unit test to confirm that passing a  succeeds
remove extra tag
Added unit test for options -> q.options fix
Merge branch 'develop' into 2.31.1-cloudsearch2-options

Conflicts:
	tests/unit/cloudsearch2/test_search.py
Copy proxy settings from the CloudSearch connection to the endpoint services. This is useful when
using a forward proxy in conjunction with CloudSearch's IP-based security.
Add IAMer as an application built on boto
Merge pull request #2420 from N3TWORK/2.31.1-cloudsearch2-options

Fixed CloudSearch options argument. Fixes #2420.
Merge pull request #2515 from lra/iamer_built_with_boto

Add IAMer as an application built on boto. Fixes #2515.
Fix for python 3.4
Merge branch 'develop' into cloudsearch2-proxy
Fixed tests; added proxy and use_proxy attributes to cloudsearch test connection