Compress png files with PNGOut /r.
Update lcms2 to 45034fb
Updated Greek translation.

Refs: #1680.
Move old changelog entries to Changelog_old.txt.
disable a couple more /analyze warnings for VS2012
Use the variable in the sizeof argument instead of the struct name.
Add VS2012 update 3 version number.
Remove the VS2012 update 2 workaround now that update 3 is out.

This reverts 0d6bec3, 8d50410 and da78edb.
Add error messages for buggy VS2012 versions.