Merge pull request #225 from AzureAD/dev

release to master
Update README.md

Re-organized Quick Start and updated pointers to sample
Cleanup
Minor updates
Update README.md

fix readme issue.
Update README.md

put back old readme
Update README.md

fix numbering
remove samples from build script since azureadsamples repo will be used for samples
loading sharedpref file from different context for shared uid
fix tests and update version
Merge pull request #226 from AzureAD/dev_sharedpref

provide option to set packagename to load shared preference file
fix version