Make "utils.h" commonly available in "viking.h"
'extreme' debug mode (i.e. -Vd) to not remove downloaded temporary files.

Thus the contents can be inspected if things go wrong.
[DOC] Add manual section about the command line options.
Add TIFF as an image file type that gets listed in the applied filter.
Ensure waypoint bounds are recalculated when a waypoint is deleted.
Update README to reflect current capabilities and fix changed Git URL.
Allow specifying the location for GPSBabel via a preference.
Only enable Google routing when GPSBabel is available.
[WINDOWS] Default locations for GPSBabel
[DOC] Some words about GPX export options.
[WINDOWS] For some reason the compiler under Windows doesn't like variables such as 'stdout' or 'stderr'
[WINDOWS] Fix path in installer generation
[WINDOWS] Update to compile with GCC4.8.1

Also update to make use of some batch functions and a few general tweaks.
[WINDOWS] Update to use libcurl 7.34.0
[WINDOWS] Toolbar default to be similar to previous non optional setting.
[WINDOWS] Enable optional install of GPSBabel 1.5.1

Package and run the GPSBabel setup installer directly.
[WINDOWS] .vik file registration is automatic, .gpx is optional
[WINDOWS] Must accept GPL2 license before installing.
[WINDOWS] Various install improvements.

Use common settings for HKLM/HKCU -> SHCTX
Set more values for install information:
. Program icon
. Work out the install size
. URLs
. Comment (with translations)
Return to removing installed files rather than forced directory removal
 (as this may have bad side effects)
[DOC] Recommended programs