[Rogue] adjust Fazed secondary effects scaling with stacks

[seanpeters86]

in addition to overrides this adds an option for the upcoming change to allow for easier testing

# All damage increased by 5%. Does not affect PvP combat.
override.spell_data=effect.179720.base_value=64
override.spell_data=effect.191056.base_value=64
# Trickster: Cloud Cover primary and secondary duration reduced to 6 seconds (was 10 seconds).
override.spell_data=effect.1135886.base_value=6000
override.spell_data=effect.1313710.base_value=6000
override.spell_data=effect.1136236.base_value=6000
override.spell_data=spell.441587.duration=6000
# Trickster: Cloud Cover now causes Fazed to stack 1 additional time (was 2).
override.spell_data=effect.1313616.base_value=1
# Trickster: No Scruples crit chance bonus increased to 12% (was 10%).
override.spell_data=effect.1135822.base_value=12
# Trickster: Additional stacks of Fazed granted by Cloud Cover no longer increase the magnitude of secondary effects, such as the damage reduction from the Smoke talent.
trickster_cloud_cover_secondary=0