Specify AccountStore during authentication
Merge branch 'dev' of https://github.com/stormpath/stormpath-sdk-java into authentication_with_accountstore
Minor improvements
Added note in Javadoc
AccountStore can be null now + improved javadoc
Added missing copyright headers
Improved based on feedback from review
Improved based on feedback from review (2nd round)
Updated all 0.9.4 references to 1.0.alpha
JavaDoc additions
Added missing version info in new UsernamePasswordRequest constructors
Merge branch 'dev' into authentication_with_accountstore

Conflicts:
	README.md
Minor doc updates
Merge branch 'Client_ClientBuilder_Clients_refactoring' into mergetest

Conflicts:
	README.md
Merge branch 'Client_ClientBuilder_Clients_refactoring' into mergetest

Conflicts:
	README.md
Merge branch 'dev' of https://github.com/stormpath/stormpath-sdk-java into add_ApiKeyBuilder_interface

Conflicts:
	README.md
	impl/src/main/java/com/stormpath/sdk/impl/client/DefaultClientBuilder.java