Fixed block comments for both C and C++
Did some cleaning of C.markdown, added information and corrections
Began refactoring c.markdown
refactoring away from the entries being the type names
making the entries basic variables, and structs. more to come.
Combined if, else, and else if into one subheading
Finished Data Types Heading & added to flow control
added pointer and array types to data types heading
added a type for functions under flow control
added string type to data types header
added fopen to the File I/O heading.
cleaning some of it up so it renders correctly.
Merge branch 'TheSoftwareGuy-Fixing_C' into gh-pages