resize AboutWindow
added path to import window
fixed unmounting of backends, added warning
fixed error when renaming the same key after sync
Merge remote-tracking branch 'upstream/master'
added label to metaArea
formatting and removed some ELEKTRA_UNUSED
make file locking configureable

remove lock helper library
fix multithreading issue in resolving

add mutex
also give warning if file time stamp updating did not work
propagate FURTHER_DEFINITIONS
improve error messages (file vs. mutex lock)
rename strategies

(weird compiler error windows 7 MSysGit http://paste.opensuse.org/71946958)
add flag + procedure as suggested by Kai-Uwe
more explanation how to select plugins
added wresolver

minimalistic resolver for non-POSIX systems
add to cache
fix mingw
change to _GNU_SOURCE in resolver

- for recursive mutex initializer
- for handier strerror_r
only use warning on conflicts in wresolver
fix realtime libs
formatting and removed some ELEKTRA_UNUSED
Some fixes merge branch 'qtgui'

- resize AboutWindow
- path in Import
- info in unmount commando
- edit/sync/edit works
- info for Metadata