Refactored stat system (reduced repeated code).
Removed unnecessary repeated code from stats system.
Removed old stat_maxHealth property and replaced with new stat.health_max. Fixed bug with game freeze during stat menu due to missing stat.
Removed old damage property and replaced with new stat.atk property. Updated enemy unit search AI to check stat.atk.
Removed old stat_move_max property and replaced with new stat.mov property. Updated battle system logic to use stat.mov and mov_curr.
Removed flee from battle when unit move to edge of battlefield condition. Disabled dynamic name assignment to spawned player units. Minor code cleanup.
Minor fix for undefined unitFocus console errors.
Merge pull request #12 from DrkSephy/master

More buttons and spritesheet
Merge branch 'master' of https://github.com/chessmasterhong/WaterEmblem
Minor code reformatting.
Fixed bug with multiple button spawning for end turn button when not player's turn. Moved main player's name into global variable (allowing main player to be named instead of generic "player_main").
Added game over screen.
Linked game over state to main player's kill method. Minor code refactoring for stat menu screen. Minor tweak to keybind naming for consistency.
Updating roadmap for new tasks
Added ability to spawn units randomly