fmbtgti: tap* methods support button parameter
fmbtgti: tap* methods support button parameter

Optional button parameter can be given to tap, tapBitmap, tapItem,
tapOcrText methods. However, if the parameter is given without support
from underlying GUITestConnection layer, an error will raise.

pablovirolainen/fMBT,pyykkis/fMBT,heivi/fMBT,violep01/fMBT,violep01/fMBT,01org/fMBT,rseymour/fMBT,pombreda/fMBT,yoonkiss/fMBT,pombreda/fMBT,mlq/fMBT,acozzette/fMBT,mlq/fMBT,pombreda/fMBT,rseymour/fMBT,01org/fMBT,01org/fMBT,01org/fMBT,yoonkiss/fMBT,mixu-/fMBT,pablovirolainen/fMBT,OMKR/fMBT,rseymour/fMBT,pombreda/fMBT,heivi/fMBT,giantpinkwalrus/fMBT,yoonkiss/fMBT,mixu-/fMBT,yoonkiss/fMBT,pablovirolainen/fMBT,mlq/fMBT,heivi/fMBT,mlq/fMBT,rseymour/fMBT,heivi/fMBT,mlq/fMBT,mlq/fMBT,violep01/fMBT,heivi/fMBT,violep01/fMBT,pyykkis/fMBT,mixu-/fMBT,acozzette/fMBT,01org/fMBT,mixu-/fMBT,heivi/fMBT,pablovirolainen/fMBT,acozzette/fMBT,pyykkis/fMBT,acozzette/fMBT,rseymour/fMBT,violep01/fMBT,yoonkiss/fMBT,OMKR/fMBT,giantpinkwalrus/fMBT,pablovirolainen/fMBT,pyykkis/fMBT,OMKR/fMBT,giantpinkwalrus/fMBT,rseymour/fMBT,OMKR/fMBT,pombreda/fMBT,heivi/fMBT,mixu-/fMBT,rseymour/fMBT,pyykkis/fMBT,mlq/fMBT,OMKR/fMBT,pyykkis/fMBT,pombreda/fMBT,pombreda/fMBT,giantpinkwalrus/fMBT,pablovirolainen/fMBT,giantpinkwalrus/fMBT,OMKR/fMBT,acozzette/fMBT