Update 3.4.0

+ New designed interface and functionalety for synchronizing meta data between image files
+ Support for custom file types
+ Support for compass information of Mikrokopter track files
+ New map type MyTopo
+ Quick access to adjust thumbnail sizes and visible lines of meta data in thumbnail view
* Improved ExifTool info panel (Ctrl+I)
! Sometimes saved wrong UTF8 flag for IPTC data in combination with creation date
! Wrong reading of Microsoft rating tag from XMP data
! Missing preview of Pentax K-5 RAW files
! Explorer context menu did not work under Windows 7
! Timezone have been ignored in GPX track files
! Wrong coding of international characters in Google Earth export

Some other small changes, improvements and fixes