few translation fixes
OC-442: Few translation fixes
BAP-5975: Create algorithm to calculate text color by background colour
BAP-5975: Create algorithm to calculate text color by background colour
Merge branch 'feature/BAP-5604' into ticket/BAP-5975

Conflicts:
	src/Oro/Bundle/CalendarBundle/Resources/public/js/calendar.js
	src/Oro/Bundle/CalendarBundle/Resources/public/js/calendar/connection/view.js
BAP-5975: Create algorithm to calculate text color by background colour.
- added condition of success color transformation
- added comments
BAP-5975: Create algorithm to calculate text color by background colour
BAP-5975: Create algorithm to calculate text color by background colour
Merge pull request #3061 from laboro/ticket/BAP-5975

BAP-5975: Create algorithm to calculate text color by background colour
Merge branch 'master' into feature/BAP-5604
BAP-5977: Create form type to select colors
BAP-5977: Create form type to select colors. Add support of empty color
BAP-5977: Create form type to select colors
BAP-5977: Create form type to select colors. Add jquery.minicolors
BAP-5977: Create form type to select colors. OroSimpleColorPicker, OroSimpleColorChoice, improve jquery.simplecolorpicker, improve jquery.minicolors
Merge pull request #3073 from laboro/ticket/BAP-5977

BAP-5977: Create form type to select colors
BAP-5851: Add color table to popup menu
- added calendar picker to item context menu
- added resolver to navigation config builder
- updated context menu extendability
BAP-5977: Create form type to select colors
Merge pull request #3094 from laboro/ticket/BAP-5977

BAP-5977: Create form type to select colors
BAP-5854: Add to System configuration ability to define predefined colors into System Configuration