Update hello app to test resource overwrite
Fix issue for goback
update yes/no string to resources instead of android system string
merge dev and account for blank page for back button
sample app update
Merge pull request #197 from MSOpenTech/fix_back_button

fix back button and confirmation related resources
remove redundant x5t field from jws for device challange
send x5c as array, remove version for protocol change
update symbol for utf8 encoding in copyright header
update getlibs.sh for travis
Merge pull request #203 from MSOpenTech/test_travis

Test travis
Merge branch 'dev' into dev_broker
Merge pull request #201 from MSOpenTech/dev_broker

remove redundant x5t field from jws for device challange
store tenantid, idtoken in tokencacheitem
update cancelException
add redirecturi helper method to register redirecturi for broker usage
Merge pull request #206 from MSOpenTech/dev_redirecturi_helper

Helper method for developer to see redirecturi for broker usage
return idtoken from cached refresh token as well
update test for idtoken in the refresh reuslt
tests
Merge pull request #205 from MSOpenTech/dev_fix_result

store tenantid, idtoken in tokencacheitem
powershell script to get redirecturi for broker
Merge branch 'dev' of github.com:MSOpenTech/azure-activedirectory-library-for-android into dev