Fix a few Gen III items' sprites' filenames.

Still missing:
- Rm. 1/2/4 Key (slightly different from Rm. 6 Key's icon!)
- Old Sea Chart (Emerald only)
- Magma Emblem (Emerald only)

diff --git a/pokedex/data/media/items/aurora-ticket.png b/pokedex/data/media/items/auroraticket.png
similarity index 100%
rename from pokedex/data/media/items/aurora-ticket.png
rename to pokedex/data/media/items/auroraticket.png

diff --git a/pokedex/data/media/items/gorgeous-mail.png b/pokedex/data/media/items/fab-mail.png
similarity index 100%
rename from pokedex/data/media/items/gorgeous-mail.png
rename to pokedex/data/media/items/fab-mail.png

diff --git a/pokedex/data/media/items/voice-checker.png b/pokedex/data/media/items/fame-checker.png
similarity index 100%
rename from pokedex/data/media/items/voice-checker.png
rename to pokedex/data/media/items/fame-checker.png

diff --git a/pokedex/data/media/items/pokedoll.png b/pokedex/data/media/items/gen3/poké-doll.png
similarity index 100%
rename from pokedex/data/media/items/pokedoll.png
rename to pokedex/data/media/items/gen3/poké-doll.png

diff --git a/pokedex/data/media/items/pika-mail.png b/pokedex/data/media/items/glitter-mail.png
similarity index 100%
rename from pokedex/data/media/items/pika-mail.png
rename to pokedex/data/media/items/glitter-mail.png

diff --git a/pokedex/data/media/items/wingull-mail.png b/pokedex/data/media/items/harbor-mail.png
similarity index 100%
rename from pokedex/data/media/items/wingull-mail.png
rename to pokedex/data/media/items/harbor-mail.png

diff --git a/pokedex/data/media/items/elevator-key.png b/pokedex/data/media/items/lift-key.png
similarity index 100%
rename from pokedex/data/media/items/elevator-key.png
rename to pokedex/data/media/items/lift-key.png

diff --git a/pokedex/data/media/items/magnemite-mail.png b/pokedex/data/media/items/mech-mail.png
similarity index 100%
rename from pokedex/data/media/items/magnemite-mail.png
rename to pokedex/data/media/items/mech-mail.png

diff --git a/pokedex/data/media/items/mystery-ticket.png b/pokedex/data/media/items/mysticticket.png
similarity index 100%
rename from pokedex/data/media/items/mystery-ticket.png
rename to pokedex/data/media/items/mysticticket.png

diff --git a/pokedex/data/media/items/zigzagoon-mail.png b/pokedex/data/media/items/orange-mail.png
similarity index 100%
rename from pokedex/data/media/items/zigzagoon-mail.png
rename to pokedex/data/media/items/orange-mail.png

diff --git a/pokedex/data/media/items/pokeflute.png b/pokedex/data/media/items/poké-flute.png
similarity index 100%
rename from pokedex/data/media/items/pokeflute.png
rename to pokedex/data/media/items/poké-flute.png

diff --git a/pokedex/data/media/items/pokeblock-case.png b/pokedex/data/media/items/pokéblock-case.png
similarity index 100%
rename from pokedex/data/media/items/pokeblock-case.png
rename to pokedex/data/media/items/pokéblock-case.png

diff --git a/pokedex/data/media/items/ruby-plate.png b/pokedex/data/media/items/ruby.png
similarity index 100%
rename from pokedex/data/media/items/ruby-plate.png
rename to pokedex/data/media/items/ruby.png

diff --git a/pokedex/data/media/items/sapphire-plate.png b/pokedex/data/media/items/sapphire.png
similarity index 100%
rename from pokedex/data/media/items/sapphire-plate.png
rename to pokedex/data/media/items/sapphire.png

diff --git a/pokedex/data/media/items/duskull-mail.png b/pokedex/data/media/items/shadow-mail.png
similarity index 100%
rename from pokedex/data/media/items/duskull-mail.png
rename to pokedex/data/media/items/shadow-mail.png

diff --git a/pokedex/data/media/items/bellossom-mail.png b/pokedex/data/media/items/tropic-mail.png
similarity index 100%
rename from pokedex/data/media/items/bellossom-mail.png
rename to pokedex/data/media/items/tropic-mail.png

diff --git a/pokedex/data/media/items/wailmer-mail.png b/pokedex/data/media/items/wave-mail.png
similarity index 100%
rename from pokedex/data/media/items/wailmer-mail.png
rename to pokedex/data/media/items/wave-mail.png

diff --git a/pokedex/data/media/items/slakoth-mail.png b/pokedex/data/media/items/wood-mail.png
similarity index 100%
rename from pokedex/data/media/items/slakoth-mail.png
rename to pokedex/data/media/items/wood-mail.png