Don't show HUD after keboard if HUD disabled via long click.
Created a new class for single-switch touch interface.
Redirected touch switch to the single-switch touch interface class.
Merge pull request #141 from sagarchandarana123/issue-140

Don't show HUD after keboard, if HUD disabled via long click. Fixes #140
Connected touch interface to scanning switch.
Add FIXME messages for merge #141
Merge pull request #143 from jorgesilva/develop

Add FIXME messages for merge #141
Merge pull request #144 from ericwan78/issue-142

Connected keyboard scanning to touch interface. Fixes #142
Add all scaled graphical assets for Tecla Next HUD
Done.
Merge pull request #148 from sagarchandarana123/issue-147

Renamed vars and methods to 'Long_Clicked' rather than 'Hide'.
Now swapping HUD icons properly. Fixes #145
Merge pull request #149 from jorgesilva/develop

Swap HUD icons properly. Fixes #145
Added a step to allow switching from IME to HUD overlay.
Merge pull request #150 from ericwan78/issue-146

fixes #146
SingleSwitchTouchInterface now calls 'setLongClicked' when clicked
Merge pull request #152 from sagarchandarana123/issue140

Fixes #140.