Added WaitForUp button block, motors bug fixed and added some small corrections.
All WaitForButton blocks added.
Merge pull request #9 from DenisKogutich/master

All WaitForButton blocks added, motors bug fixed and added small corrections.
Added touch sensor and ev3 input device
Encoder nullification supported in interpreter
Added touch sensor.
context menu added
translation added
Fixed bugs and added sensors.
Fixed NXT Fantom warnings
Merge branch 'master' of github.com:Smirnov-Mikhail/qreal into ev3-improvement
Merge branch 'robots' of github.com:dvvrd/qreal into robots
Examples updated for new sensors configuration
Merge pull request #1393 from DmitriyChernov/deleteItemButton

Delete item button
Version incremented to 3.0.0-rc1;
Changelog appended.
Merge branch 'master' of github.com:qreal/qreal into robots

Conflicts:
	qrtranslations/ru/qrutils_ru.qm
Merge branch 'robots' of github.com:dvvrd/qreal into robots
Fixed sensors positions in examples;
Changelog appended with more info
arc drawing fixed
Debug output removed