Release v0.11.5

• resolved #173, #174, #201, #135, #216, #132 #224 #225 #226, #230
• merged of pull requests #160, #175, #180, #185, #188, #191, #206, #208,
    #212, #213, #215, #221, #227, #231
    Thanks to @baspeeters, @sjmallon, @janlazo, @categulario,
    @skymaze, @jemasfox, @owen-thurston, @agmt5989, @RemiDesgrange
• improved property watchers
• optional debug messages
• fixed broken UMD version
• simplified initial interaction/controls setup #95
• added id property for all ol components for easy identification
• mixins, ol-ext and rx-ext now are build to single file package,
    imports from those packages are not changed
• UMD version (dev/demo version) now includes all used stuff from ol
    package
• updated documentation and README