Fixed source/options - no need to ignore .kdev4, fixed upstream
Changed symbols
- put the arch bit at the end and comment them
- merged new symbols
Fixed the copied pdmanfm menu file
Fixed rules --fail-missing is enough and will list missed files
Switched to experimental because of LXQt namespace change
Added minimum version for liblxqt0-dev (>= 0.9.0+20150911)
