Achievement:
- improved handling of rewards

Spell:
- moved calcuation of effectValue to separate function, use realPointsPerLevel
- eval: applied proper format, fixed evalable string when facing multiple signs in a row
- display modelviewer for summons

Titles:
- looks like titles behave differently when using "faction" or "side"

Achievement:
- implemented rewards (which i have forgotten for almost 2 years)

* reworked pet-setup
* typos and forgotten changes, that broke code here and there
Creatures:
 - add hardcoded Totem-DisplayIds

Spell:
- fixed amount/damage not being displayed, when spell had createItemId set but no effect to create it
- respect interactivity for constructs in tooltip
- parse playerLevel as textVar, if the constuct cant be evaled
- fixed functionality to change level on tooltips granting ratings
- added related tabs: 'modified by', 'modifies', 'used by item', 'used by itemset', 'see also'

* some minor cleansing in js-tooltip code