added acknowledgements
initial implementation of attributes
changed test directory name
added license headers
modified the models and changed the package. Added some unit tests for the models.
fixed .gitignore
added javadoc comments. Added the methods for device verification. Added error handling in callbacks.
fixed some unit tests to use android instrumentation class
added some comments
added build files
added unit test jar
test
fixed unit test. added a test. modified build file config and readme.md
fixed ant.properties
added one more generic attribute test
implemented the attribute verification delegates
checking authentication during init
some fixes
added authentication strategy
fixed unit test that was causing the emulator to hang