added slick53 methods to boto route53
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
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.
ReplaceRoute action was missed. So, added.
Added keyring support.
keyring documentation
Merge branch 'develop' of https://github.com/boto/boto into develop
fix the typos in bin/glacier

 -fix the typos in bin/glacier
fix the typos in bin/glacier

 -fix the typos in bin/glacier
Merge remote-tracking branch 'origin/develop' into develop
Change layout of slick53 integration #478

Per comments split Zone and Status objects into separate files;
rename test to reduce confusion as this isn't a true "Layer 2"
interface in the boto sense.
Return Status objects when appropriate.  #478
Copyright fix-up for merged changes.  #478