Fixed JTL and added new unnified scripts for windows installers
- fixed difference of Jpeg 2000's ceiling of sizes in tiers and Tiff's flooring
- adjusted requests of tiles in images, that have width of requested tier bigger than floored original width divided by ratio
- 32 and 64 bit binaries are in 1 installer now
- removed support of Win XP without SP3 in installers (can be added again if needed)