Merge pull request #103 from RudolfVonKrugstein/gradient_mobile

Updated gradient_mobile theme
Merge pull request #104 from RudolfVonKrugstein/iconfill

allow icon of button to fill whole button with iconPosition="fill"
Merge pull request #105 from RudolfVonKrugstein/stack

Stack
Merge pull request #106 from RudolfVonKrugstein/window_dim

Added functions to client to return the dimensions of the window
added functionality allowing to process all "text" fields in xml by a given function. This allows for internationalization with firetongue.
Decreased scroll sensitivity for mobile devices