optimized and add diagnostic feature

Billing.Shared/Languages/en.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
 	<Ok>OK</Ok>
+	<Cancel>Cancel</Cancel>
 	<About>About</About>
 	<Version>Version</Version>
 	<Preference>Preference</Preference>
@@ -63,6 +64,8 @@
 	<AmountRequired>Please enter the amount.</AmountRequired>
 	<Income>Income</Income>
 	<Spending>Spending</Spending>
+	<LastSelected>Last Selected</LastSelected>
+	<Recent>Recent</Recent>
 	<Clothing>Clothing</Clothing>
 	<Food>Food</Food>
 	<Drinks>Drinks</Drinks>
@@ -104,4 +107,9 @@
 	<NoResult>(no results)</NoResult>
 	<Top10>Top 10</Top10>
 	<CategoryRank>Category Ranking</CategoryRank>
+	<Diagnostic>Diagnostic</Diagnostic>
+	<ShareLogs>Share Logs</ShareLogs>
+	<ManyRecords>{0} record(s)</ManyRecords>
+	<SendEmail>Send Eamil</SendEmail>
+	<HowToShareDiagnostic>How would you like to share diagnostic logs?</HowToShareDiagnostic>
 </root>