Added 'nl' to generate script; Added 'nl' to templates/base.html
renamed sympy.org.pot to nl.po
added nl (dutch) to compile_i18n
Finished dutch translation development page
Finished Dutch translation of the Donation page
added [nl] link to templates of other languages (by running ./generate)
Added i18n/nl.mo
testing trema
Added diacritics. Revised and added some translations
Merge pull request #1 from iambernie/DiacriticsFixNL

Diacritics fix nl
Merge pull request #71 from iambernie/master

Initial version Dutch (NL) translation.