Implement retroactive achievements (for userStat types so far)

config/achievements.hjson

@@ -55,12 +55,11 @@
         user_login_count: {
             type: userStat
             statName: login_count
-            retroactive: true
             match: {
                 2: {
                     title: "Return Caller"
                     globalText: "{userName} has returned to {boardName}!"
-                    text: "You\"ve returned to {boardName}!"
+                    text: "You've returned to {boardName}!"
                     points: 5
                 }
                 10: {
@@ -93,7 +92,6 @@
         user_post_count: {
             type: userStat
             statName: post_count
-            retroactive: true
             match: {
                 5: {
                     title: "Poster"
@@ -125,7 +123,6 @@
         user_upload_count: {
             type: userStat
             statName: ul_total_count
-            retroactive: true
             match: {
                 1: {
                     title: "Uploader"
@@ -164,7 +161,6 @@
         user_download_count: {
             type: userStat
             statName: dl_total_count
-            retroactive: true
             match: {
                 1: {
                     title: "Downloader"
@@ -202,7 +198,6 @@
         user_door_runs: {
             type: userStat
             statName: door_run_total_count
-            retroactive: true
             match: {
                 1: {
                     title: "Nostalgia Toe Dip",
@@ -240,7 +235,6 @@
         user_door_total_minutes: {
             type: userStat
             statName: door_run_total_minutes
-            retroactive: true
             match: {
                 1: {
                     title: "Nevermind!"