fixed the action mode menu resource.
updated mission listener interface to support multiple mission items.
fixed issue causing the detail fragment not to reappear after type switch.
desired functionality is in place. Some bugs remained to be fixed.
Fixed issue #1123
Merge pull request #1159 from ne0fhyk/fix_issue_1123

Fix issue 1123
Fixed issue #1158
Merge pull request #1160 from ne0fhyk/fix_issue_1158

Fixed issue #1158