Update contents (Demo 2.0, v0.2.7)

Changes: [list] [*] On the naming screen, pressing the top face button or spacebar will move the cursor to the 'END' position. [*] The protagonists now start at Lv1 instead of Lv2. [*] The protagonists now start with +10 more MP. [*] Characters can now learn any spell and are no longer limited by their element. [*] Characters can now change their element by using one of the new Gem items (Fire Gem, Earth Gem, etc.) [*] The EXP sequence can now be skipped by pressing the confirm button/key (A button or Z key by default). [*] When buying a weapon, the shop menu now shows if a weapon is stronger than the currently equipped weapon. [*] Other improvements. [/list] Bug Fixes: [list] [*] Fixed an issue where the game could softlock in certain edge cases after returning from battle. [*] Fullscreen mode should now work properly on multi-monitor setups. [/list]