Arch Linux

* fixed heading issue
* fixed windows paths issue

* fixed issue on aircraft settings storage
* fixed issue about wrong runway informations
* implemented a basic log system
* fixed runway details and aircraft details views
* runway details box now shows even heading

* fixed issue on airports cache creation
* implemented a basic gui for manual configuration when platforms are not properly detected
* app and simulation settings are now stored in two different configuration files

* added Czech translation (thanks to Pavel Fric)
* search airport in list
* airports list caching uniformed
* users are now able to regenerate the airport list (cache) through the gui
* slightly improved support to custom fgroot paths
* other minor issues fixed

* added French translation (partial)
* fixed some label size
* added runway dialog information window
* added support to --in-air and --control options
* fixed translations support for Windows platforms

* redesigned advanced tab
* fixed saving settings bug
* added support to translations
* added italian translation
* added support to visibility option

* fixed wind and turbulence bugs
* add support to real weather fetch option
* improved freebsd support

* fixed few bugs
* added support to ranway shoulder and surface decode
* added support to flight dynamic model (fdm)
* added support to callsign