added slick53 methods to boto route53
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Add proper to_print for LBR RRs in Route53
Merge remote-tracking branch 'upstream/develop' into develop
Remove disused imports.  Clean up namespace collision.  Part of #478
New __repr__ for ResourceRecordSets and Record.  #478

Incorporate more verbose __repr__ functions from Slick53, but
use to_print on Record to properly represent the more complicated
records (e.g. ALIAS, WRR, LBR)
Addition of an object-oriented Layer2 to Amazon's boto.swf
Allow for overloading class variable credentials through inheritance.
Add header support to multipart Upload Part - Copy

- Trivial change to all headers to be passed in to the
  copy_part_from_key() method and passed through to copy_key()
- Header support is required to set headers such as:
  * x-amz-copy-source-if-match
  * x-amz-copy-source-if-none-match
  * x-amz-copy-source-if-unmodified-since
  * x-amz-copy-source-if-modified-since
Fix for #1019 / rework of request building logic.
Merge branch 'master' of git://github.com/boto/boto
Integration and enhancement of slick53 #478 #272

Starting with a base from slick53: add support for LBR and
WRR records; add documentation; e-factor to pass record
objects opaquely and reduce code duplication; rename tests
file to test_layer2.py and add testing of LBR and WRR
records.
Update boto/cloudformation/connection.py

Extended the list of valid states.
Allow glacier.Writer chunk_size arg for testing
Add tests for glacier.Writer
Factor _Uploader and _Partitioner out of Writer
Add support for out-of-order glacier uploads
Add glacier resume_file_upload