Unify tweet date formatting, add UTC

Closes #65

src/formatters.nim

@@ -118,14 +118,11 @@ proc getJoinDateFull*(profile: Profile): string =
   profile.joinDate.format("h:mm tt - d MMM YYYY")
 
 proc getTime*(tweet: Tweet): string =
-  tweet.time.format("d/M/yyyy', 'HH:mm:ss")
+  tweet.time.format("h:mm tt' · 'MMM d', 'YYYY 'UTC'")
 
 proc getRfc822Time*(tweet: Tweet): string =
   tweet.time.format("ddd', 'dd MMM yyyy HH:mm:ss 'GMT'")
 
-proc getTweetTime*(tweet: Tweet): string =
-  tweet.time.format("h:mm tt' · 'MMM d', 'YYYY")
-
 proc getShortTime*(tweet: Tweet): string =
   let now = now()
   let since = now - tweet.time

src/views/tweet.nim

@@ -338,7 +338,7 @@ proc renderTweet*(tweet: Tweet; prefs: Prefs; path: string; class=""; index=0;
         renderQuote(tweet.quote.get(), prefs, path)
 
       if mainTweet:
-        p(class="tweet-published"): text getTweetTime(tweet)
+        p(class="tweet-published"): text getTime(tweet)
 
       if tweet.mediaTags.len > 0:
         renderMediaTags(tweet.mediaTags)