Update WorldToMinimap

Changed code to provide more accurate positions on minimap when at a
distance.  Using 40 degree rotation (which should be wrong) and the
rotation formulas are also wrong according to what they should be.  It
looks much better, though.
Add Masters to minimap

Added setting for displaying Masters on minimap, currently displaying
using Ally icon, with Strongbox priority.
Merge pull request #23 from poehudcontrib/minimap_masters

Add Masters to minimap
Merge pull request #24 from poehudcontrib/minimap_positions

Update WorldToMinimap
Merge pull request #25 from Sirais/master

Added tierinfo to the Name of the Roll in Enhanced item-Tooltip to give ...
AdvTooltip master mods

Added color for master mods on advanced tooltip.  Added some mods to
rolls.xml (not sure how the original dump was obtained.  Parsed from
somewhere?).  Removed truncation of mod names for hybrid rolls which was
causing them to be displayed incorrectly.
Merge pull request #27 from poehudcontrib/AdvTooltipMasterMods

AdvTooltip master mods
Add missing file references to project file

Add missing references to MasterMinimapIcon.cs and NPC.cs which were
added in pull request #23
Merge pull request #28 from poehudcontrib/MinimapMasters

Add missing file references to project file
AdvTooltip fixes

Added/fixed more mods in rolls.xml.  Accounted for master purchased item
mods having master string in middle instead of beginning of modname.
Fixed parsing of modname/tier when tier is more than one digit (eg.
IncreasedMana11).
Merge pull request #29 from poehudcontrib/AdvTooltip

AdvTooltip fixes
Minimap icons can be configured now via config/minimap_icons.txt
Rare mobs can have different Icons depending on Configured Mods