Improve upload form layout

This adds margins to the left and right side and decreases paddings between
form elements. Additionally a DOM id is no longer used for the component to
prevent id collisions.
Do not use DOM ids for grid components, fix id typo
Fix component order for flash card and grid question forms
no more highlight color in speaker statistik

Conflicts:
	src/main/webapp/app/view/components/GridContainer.js
changed labels

Conflicts:
	src/main/webapp/app/internationalization.js
	src/main/webapp/app/view/speaker/form/GridQuestion.js
Swap order of image upload buttons
Fix interaction area of Fileup component
Merge branch 'newquestion-ui-fixes'