Fixes and edits for 0.0.1alpha

Changes:
-Updated Readme

Fixed bugs:
-Camerift does not exit when 2 webcams selceted but only one found
-Camerift does not exit when no webcam found
-Removed "Send to servo" button because unused
licence added

Software is now licenced under the MIT-licence
Fixed bug in exit

Fixed bug app not exit clean when pressing the exit-button before
closing camera-capture
Fix

Fixed bug app freezing cause missing "volatile"
Fixed gitignore *.sdf
Merge pull request #1 from mkalte666/release_canidate

Release canidate --> RELEASE 0.0.1 (ALPHA!)