Merge pull request #277 from dubslow/master

simplify compilation
Merge pull request #278 from dubslow/master

change bootstrap.sh
Fix #205
Clean code, improve compilation speed
README: Update screenshot
Make group <unknown> name translatable
filetransfer: corrected pause/resume behaviour
Merge pull request #282 from apprb/dev

filetransfer: corrected pause/resume behaviour
added ToxID struct
removed settingsform, removed selfcamview from widget
added settingsdialog
do not use getInstance of camera
use settings dialog in widget
added images
Merge pull request #284 from retuxx/config-new

"rebased" Settings Dialog