Merge pull request #186 from houqp/houqp-master

only set two pages mode for crengine in kindle dxg
fix fractional pix returned by scaleByDPI
add vertically scrollable text widget
fix long definition not shown properly in dictionary window
Merge pull request #187 from chrox/scroll_text

fix long definition not shown properly in dictionary window
add missing scrollbar widget
Merge pull request #188 from chrox/scroll_text

add missing scrollbar widget
add keyboard widget test in wtest
add on-screen keyboard widget
update keyboard widget test in wtest
add goto page menu entry for pdfreader
fix fractional pixel coordinates in paintTo function
refactoring font face variable in ScrollText widget
add onGotoPage handler in readerpaging
UI tweaks
fix keyboard in landscape
Merge pull request #190 from chrox/text_input

implement the on-screen keyboard with limited features
fix fast refresh waveform
Fixes for higher DPI; make the X easier to reach.
Merge pull request #192 from giorgio130/master

Fixes for higher DPI; make the X easier to reach.