Merge pull request #7 from theodi/feature-detect-blank-rows

Looks good, merged
Merge pull request #8 from theodi/feature-detect-file-extension

Return warnings for file extension
Add dialect options
Warn if options seem to return invalid data
Add line terminator
Fix tests
Remove line terminator from row ends

These get left in when you provide a delimiter
Add default for skipinitialspace
Merge pull request #11 from theodi/feature-add-dialect-options

Add CSV dialect options
Merge branch 'master' of github.com:theodi/csvlint.rb into feature-detect-file-extension

Conflicts:
	lib/csvlint.rb