upped dependencies and increased version to 0.2.1-SNAPSHOT

clojure -> 1.5
cheshire -> 5.0.2
jargon-core -> 3.3
clj-jargon -> 0.2.4-SNAPSHOT
clojure-commons -> 1.4.1-SNAPSHOT
boxy -> 0.1.2-SNAPSHOT
switched to latest lein-iplant-rpm
clojure 1.5.1
switched to jargon-core 3.3.2-SNAPSHOT

Need to read the contents of collections whose names end in spaces.
Switched to using Jargon's with permissions lister methods.
indexes creator, create date, modify data and full acls now
switched to the latest versions of clojure.tools.logging and cheshire
CORE-4204: removed the direct dependency on jargon
CORE-4211: removed some unit tests that will be broken by some upcoming changes.
CORE-4211: began implementing a lazy seq to correctly list subcollections in a collection
CORE-4211: added a specific query for listing data objects and refactored
the subcollection and data object listing functions to remove duplicate
code.
CORE-4211: updated the clj-jargon version
CORE-4211: reorganized the data object query for efficiency.

This change requires an index to work efficiently: create index r_objt_access_object_id_index on r_objt_access (object_id);
CORE-4257: added some installation instructions
CORE-4257: uncrossed the confluence and markdown streams
Fixed some markdown syntax
CORE-4257: added some more installation and testing documentation
CORE-4257: fixed a typo
CORE-4272: use clj-jargon's lazy-listings namespace for collection and data object listings
CORE-4272: place the current indexing task at the end of the queue if an error occurs when we're attempting to retrieve a file or subdirectory listing