new account wizard: improve UI/UX

This patch improves the UI/UX of the new account wizard. It hides the
SIP form by default and proposes the main possibilities. The buttons
are removed: cardviews are entirely clickable.

Change-Id: I0ce511109c5443dae3e6a47cfa610f1cfa2a0c2e
Tuleap: #602
diff --git a/ring-android/app/src/main/res/values/strings_account.xml b/ring-android/app/src/main/res/values/strings_account.xml
index 46f0af3..9c340d6 100644
--- a/ring-android/app/src/main/res/values/strings_account.xml
+++ b/ring-android/app/src/main/res/values/strings_account.xml
@@ -36,11 +36,11 @@
         <item>SIP</item>
         <item>IAX</item>
     </string-array>
-    <string name="help_ring_title">Ring identity</string>
-    <string name="help_ring">A Ring identity allows you to reach people securely in peer to peer through a fully distributed network.</string>
+    <string name="help_ring_title">Create a Ring account</string>
+    <string name="help_ring">A Ring account allows you to reach people securely in peer to peer through a fully distributed network.</string>
     <string name="create_ring_account">Create</string>
 
-    <string name="help_sip_title">SIP account</string>
+    <string name="help_sip_title">Add your SIP account</string>
     <string name="help_sip">Configure an existing SIP account.</string>
     <string name="create_sip_account">Add</string>
     <string name="configure_sip_account">Configure</string>
@@ -148,15 +148,16 @@
     <!-- Import/export -->
     <string name="account_export">Export</string>
     <string name="account_import">Import</string>
-    <string name="account_import_account">Import account</string>
-    <string name="account_export_title">Export account</string>
+    <string name="account_import_account">Import an account</string>
+    <string name="account_export_title">Export an account</string>
     <string name="account_import_title">Import accounts</string>
+    <string name="account_import_explanation">You can import previously exported accounts.</string>
     <string name="account_export_message">Save account settings and credentials, password encrypted.</string>
     <string name="account_export_new_password">New password</string>
     <string name="account_export_confirm_password">Confirm password</string>
     <string name="account_import_message">Enter password to decrypt the file.</string>
     <string name="account_import_decryption_password">Decryption password</string>
-    <string name="import_dialog_title">Importing account</string>
+    <string name="import_dialog_title">Importing</string>
     <string name="import_export_wait">Please wait…</string>
     <string name="export_dialog_title">Exporting account</string>
     <string name="account_export_result">"Account exported to %1$s"</string>
@@ -165,6 +166,6 @@
     <string name="error_password_char_count">6 characters minimum</string>
     <string name="error_passwords_not_equals">Passwords do not match</string>
     <string name="import_failed_dialog_title">Import failed</string>
-    <string name="import_failed_dialog_msg">An error occured</string>
+    <string name="import_failed_dialog_msg">An error occurred</string>
 
 </resources>