[pvr] adjust labels for setting pvrplayback.startlast

This change the current used labels 'Yes' and 'Minimised' to 'Foreground' and 'Background', so it's easier to understand what's happen if you choose one of these options.
[pvr] remove unnecessary filler method for setting 'pvrplayback.startlast'

This removes the filler method for setting 'pvrplayback.startlast' and add options directly to the settings.xml.
[pvr] refactor: change method parameter bPreview to bMinimised to be more reasonable
[pvr] refactor enum ChannelStartLast to reflect the setting
fixed: undefined behavior in karaokelyricstextkar
[tests] fixed URIUtils tests
Merge pull request #4969 from xhaggi/pvr-refactor-setting-pvrplayback-startlast

[pvr] adjust labels and refactoring for setting 'pvrplayback.startlast'
fixed: use the proper make instead of calling 'make' directly

fixes builds on freebsd
cmake buildsystem
add tests needed by new u16 string stuff
wrap cmyth properly
move some more install related stuff to install script
move all install code to platform install script
allow building without doxygen
fix building with yajl2
generate scripts in a subdir to avoid problems configuring in top dir
properly wrap library.xbmc.foo
link to threading lib
remove duplicate mpeg2 entry
properly locate java and swig

also use the detected paths for java, swig and doxygen