expand command line instructions
add link to schema spec in overview too
expand command line instructions
add description of output on command line
Fix some broken or misdirected links
Link schema pages to validator pages
fix EBNF error for fileCountExpr
Update csv-schema-1.0.html

Fixed the URI reference to the draft.
link tweaks
reflect modification to @separator behaviour
make link to tool pages more visible
Add link and brief explanation of examples
fix html entities
explain issues with path with spaces in in Windows scripts
correct @separator example
mention use of single quotes in textual description of character literal
Reduced complexity of tab separator char
Removed unnessecary grouping
Fixed numbering starting from ColumnDirectives
Fixed bad EBNF for columnDirectives