Use more specific button titles instead of general.submit

- "Post" for post submission (we already had the button title be "Posting"
when the post was being sent, so there was a weird inconsistency)
- "Register" for registration submission
- "Save changes" for usages in settings

src/components/password_reset/password_reset.vue

@@ -53,7 +53,7 @@
                 type="submit"
                 class="btn button-default btn-block"
               >
-                {{ $t('general.submit') }}
+                {{ $t('settings.save') }}
               </button>
             </div>
           </div>

src/components/post_status_form/post_status_form.vue

@@ -272,7 +272,7 @@
           disabled
           class="btn button-default"
         >
-          {{ $t('general.submit') }}
+          {{ $t('post_status.post') }}
         </button>
         <!-- touchstart is used to keep the OSK at the same position after a message send -->
         <button
@@ -282,7 +282,7 @@
           @touchstart.stop.prevent="postStatus($event, newStatus)"
           @click.stop.prevent="postStatus($event, newStatus)"
         >
-          {{ $t('general.submit') }}
+          {{ $t('post_status.post') }}
         </button>
       </div>
       <div

src/components/registration/registration.vue

@@ -230,7 +230,7 @@
                 type="submit"
                 class="btn button-default"
               >
-                {{ $t('general.submit') }}
+                {{ $t('registration.register') }}
               </button>
             </div>
           </div>

src/components/settings_modal/tabs/notifications_tab.vue

@@ -24,7 +24,7 @@
         class="btn button-default"
         @click="updateNotificationSettings"
       >
-        {{ $t('general.submit') }}
+        {{ $t('settings.save') }}
       </button>
     </div>
   </div>

src/components/settings_modal/tabs/profile_tab.vue

@@ -153,7 +153,7 @@
         class="btn button-default"
         @click="updateProfile"
       >
-        {{ $t('general.submit') }}
+        {{ $t('settings.save') }}
       </button>
     </div>
     <div class="setting-item">
@@ -227,7 +227,7 @@
         class="btn button-default"
         @click="submitBanner(banner)"
       >
-        {{ $t('general.submit') }}
+        {{ $t('settings.save') }}
       </button>
     </div>
     <div class="setting-item">
@@ -266,7 +266,7 @@
         class="btn button-default"
         @click="submitBackground(background)"
       >
-        {{ $t('general.submit') }}
+        {{ $t('settings.save') }}
       </button>
     </div>
   </div>

src/components/settings_modal/tabs/security_tab/security_tab.vue

@@ -22,7 +22,7 @@
         class="btn button-default"
         @click="changeEmail"
       >
-        {{ $t('general.submit') }}
+        {{ $t('settings.save') }}
       </button>
       <p v-if="changedEmail">
         {{ $t('settings.changed_email') }}
@@ -60,7 +60,7 @@
         class="btn button-default"
         @click="changePassword"
       >
-        {{ $t('general.submit') }}
+        {{ $t('settings.save') }}
       </button>
       <p v-if="changedPassword">
         {{ $t('settings.changed_password') }}
@@ -133,7 +133,7 @@
         class="btn button-default"
         @click="confirmDelete"
       >
-        {{ $t('general.submit') }}
+        {{ $t('settings.save') }}
       </button>
     </div>
   </div>