Online improvements

[h3]The online game has some improvements: [/h3][p]- The blue wizard is always on the left side of the screen. [/p][p]- The red wizard is always on the right side of the screen. [/p][p]- The blue wizard always moves first (the host). [/p][p]- Improvements to the level roulette screen (it takes less time). [/p][p]- Improvements to the UI and Steam avatars. [/p][h3]Other improvements: [/h3][p]- Boss text in Japanese (thanks to MiyagiSFG for the translation!). [/p][p]- Engine optimizations.[/p]