some compatibility adjustments for redmine 2.x
fixed indentation of view file
Support for macro resolving in PDF exports
Hiding toggle column displayed in issue list macro
Update README.md

wkhtmltopdf version compatibility notes
Update Gemfile

wkhtmltopdf version compatibility notes
Using nk-wkhtmltopdf to install the right binary
Updated requirements

Updated requirements
Update README.md

Dependency on nk-wkhtmltopdf better underlined
Template compatibility for prawn 0.14
Merge branch 'redmine_2x_compatibility' of github.com:maxrossello/redmine_pdf_documents into redmine_2x_compatibility
Master branch follows redmine-2.x