fragment support
Update README.md

update readme for broker
webviewhelper class
webview helper to setup custom webview
in progress
dialog_layout for customization
basicwebviewclient for dialog
updated test app
check redirect with lowercase
working sample for dialog. spinner needs update
Merge pull request #281 from AzureAD/fix_redirectcase

check redirect with lowercase
clean up unused strings
Merge branch 'dev' into support_fragment
Eliminate Warnings: Remove unused import (java.net.URI)

Eliminate Warnings: Remove unused import (java.util.Locale)

Eliminate Warnings: Remove unused import (java.util.Calendar)

Eliminate Warnings: Remove unused import (java.lang.annotation.Target)

Eliminate Warnings: Remove unused import (java.math.BigInteger)

Eliminate Warnings: Comment out unused TAG variable in
AuthenticationResult.java

Add default English string value for app_loading (like we do for
broker_processing).

Update README.md with info about app_loading and broker_processing
string values (to be overwritten by client applications if they wish to
have non-English values)
Merge pull request #287 from AzureAD/issue_fix

clean up unused strings
Remove commented out code
Merge branch 'dev' into support_fragment
update dialog to use namespace in resources
verify controls in the layout before use
Merge remote-tracking branch 'upstream/dev' into dev

Conflicts:
	src/res/values/strings.xml
Merge pull request #293 from thilgen/dev

Eliminate Warnings: Remove unused import (java.net.URI)
rename buttons
extract constant in sample app
Merge pull request #289 from AzureAD/support_fragment

Support fragment and dialog