Draw and incorporate missing skill effects icons

[LeonardoTPereira]

Draw and incorporate icons for the following effects:

• Bribe
• Burn
• Cleanse
• Confuse
• Damage Drain
• Damage Over Time Percentage
• Decrease Power Exponentially
• Decrease Defense Exponentially
• Decrease Resistance Exponentially
• Decrease Speed Exponentially
• Decrease Speed
• Defend
• Economic Depression
• Enemy Attack
• Heal Over Time
• Increase Power Exponentially
• Increase Defense Exponentially
• Increase Resistance Exponentially
• Increase Speed Exponentially
• Increase Speed
• Level Up Skills
• Modify Status effect
• Morph
• Paralyze
• Physical Damage
• Purge
• Quicksand
• Regen (Heal Over Time Percentage)
• Share Debuff
• Speed Drain
• Suffocation
• Summon Vengeful Ghost
• Taunt