Change generic Apply labels to something more semantic

In context of #33.

snikket_web/translations/messages.pot

@@ -77,8 +77,8 @@ msgstr ""
 msgid "Select user"
 msgstr ""
 
-#: snikket_web/admin.py:328 snikket_web/user.py:68
-msgid "Apply"
+#: snikket_web/admin.py:328
+msgid "Update circle"
 msgstr ""
 
 #: snikket_web/admin.py:332
@@ -183,6 +183,10 @@ msgstr ""
 msgid "Profile visibility"
 msgstr ""
 
+#: snikket_web/templates/user_home.html:7 snikket_web/user.py:68
+msgid "Update profile"
+msgstr ""
+
 #: snikket_web/user.py:93
 msgid "Incorrect password"
 msgstr ""
@@ -890,10 +894,6 @@ msgstr ""
 msgid "Welcome home, %(user_name)s."
 msgstr ""
 
-#: snikket_web/templates/user_home.html:7
-msgid "Update profile"
-msgstr ""
-
 #: snikket_web/templates/user_home.html:8
 msgid ""
 "Change display name, set avatar and configure visibility of your personal"