created groovy markdown
Groovy: Added references
Groovy: added installation, colletions, maps, beans, logical branching and loops
Groovy: v 1.0
Groovy: v 1.0
C#: Added myself to contributors list
Static field
C#: Lacking static members
C#: edited example code according to Microsoft's naming conventions
C#: enums
C#: default parameter values
Static methods
C#: calling base method
C#: interfaces
Added hungarian translation of Golang
 Added Russian Translation of Ruby
Fixed filename, added previous contributors
 - added russian "lang" in description
 - removed tabs
 - minor changes in the text
Added german translation for git.
Stub bash file