Update the diagnostics, maintenance and statistics apps icons

apps/icons/literals.py

@@ -5,6 +5,7 @@ DEFAULT_ICON_SET = 'fat_cow'
 
    
 APPLICATION_VIEW_ICONS = 'application_view_icons'
+BLACKBOARD_SUM = 'blackboard_sum'
 CD_BURN = 'cd_burn'
 COG = 'cog'
 COMPUTER_KEY = 'computer_key'
@@ -22,13 +23,17 @@ KEY_GO = 'key_go'
 KEY_ADD = 'key_add'
 KEY_DELETE = 'key_delete'
 KEYBOARD = 'keyboard'
+LIGHTNING = 'lightning'
 LOCK = 'lock'
 MEDAL_GOLD = 'medal_gold'
 MEDAL_GOLD_ADD = 'medal_gold_add'
 MEDAL_GOLD_DELETE = 'medal_gold_delete'
 PICTURES = 'pictures'
+PILL = 'pill'
 PLUGIN = 'plugin'
+RAINBOW = 'rainbow'
 SCRIPT = 'script'
+TABLE = 'table'
 TICK = 'tick'
 USER = 'user'
 USER_ADD = 'user_add'