-implementation of "--send-key"

-implementation of "--sign-key"
-partial implementation of exchanging/verifying keys via QR Code

res/values/strings.xml

@@ -42,7 +42,10 @@
     <string name="title_keyNotFound">Key Not Found</string>
     <string name="title_help">Getting Started</string>
     <string name="title_keyServerQuery">Query Key Server</string>
+    <string name="title_sendKey">Export to Key Server</string>
     <string name="title_unknownSignatureKey">Unknown Signature Key</string>
+    <string name="title_importFromQRCode">Import from QR Code</string>
+    <string name="title_signKey">Sign Key</string>
 
     <!-- section_lowerCase: capitalized words, no punctuation -->
     <string name="section_userIds">User IDs</string>
@@ -74,6 +77,7 @@
     <string name="btn_changePassPhrase">Change Pass Phrase</string>
     <string name="btn_setPassPhrase">Set Pass Phrase</string>
     <string name="btn_search">Search</string>
+    <string name="btn_export_to_server">Export To Server</string>
 
     <!-- menu_lowerCase: capitalized words, no punctuation -->
     <string name="menu_about">About</string>
@@ -92,6 +96,10 @@
     <string name="menu_help">Help</string>
     <string name="menu_keyServer">Key Server</string>
     <string name="menu_updateKey">Update</string>
+    <string name="menu_exportKeyToServer">Export To Server</string>
+    <string name="menu_share">Share</string>
+    <string name="menu_scanQRCode">Scan QR Code</string>
+    <string name="menu_signKey">Sign Key</string>
 
     <!-- label_lowerCase: capitalized words, no punctuation -->
     <string name="label_sign">Sign</string>
@@ -124,6 +132,7 @@
     <string name="label_name">Name</string>
     <string name="label_comment">Comment</string>
     <string name="label_email">Email</string>
+    <string name="label_sendKey">Send Key to Server?</string>
 
     <string name="noKeysSelected">Select</string>
     <string name="oneKeySelected">1 Selected</string>
@@ -217,6 +226,9 @@
     <string name="keyEditingIsBeta">Key editing is still kind of beta.</string>
     <string name="badKeysEncountered">%s bad secret key(s) ignored. Perhaps you exported with the option\n --export-secret-subkeys\nMake sure you export with\n --export-secret-keys\ninstead.</string>
     <string name="lookupUnknownKey">Unknown key %s, do you want to try finding it on a keyserver?</string>
+    <string name="keySendSuccess">Successfully sent key to server</string>
+    <string name="keySignSuccess">Successfully signed key</string>
+    <string name="qrScanImportSuccess">Successfully validated and imported key</string>
 
     <!-- error_lowerCase: phrases, no punctuation, all lowercase,
          they will be put after "errorMessage", e.g. "Error: file not found" -->