warnings when `npm install` of this package with io.js

[pmuellr]

Here's what happened when I did an npm install that included wiki: 0.6.x in the deps:

npm WARN engine wiki@0.6.3: wanted: {"node":"0.10"} (current: {"node":"1.6.2","npm":"2.7.1"})

repeated 42 more times for: wiki-plugin-data wiki-plugin-markdown wiki-plugin-factory wiki-plugin-favicon wiki-server wiki-plugin-activity wiki-plugin-future wiki-plugin-changes wiki-plugin-html wiki-plugin-line wiki-plugin-logwatch wiki-plugin-audio wiki-plugin-chart wiki-plugin-calculator wiki-plugin-calendar wiki-plugin-federatedwiki wiki-plugin-mathjax wiki-plugin-parse wiki-plugin-efficiency wiki-plugin-bytebeat wiki-plugin-report wiki-plugin-flagmatic wiki-plugin-reduce wiki-plugin-metabolism wiki-plugin-txtzyme wiki-plugin-reference wiki-plugin-force wiki-plugin-bars wiki-plugin-pushpin wiki-plugin-code wiki-plugin-scatter wiki-plugin-radar wiki-plugin-paragraph wiki-plugin-image wiki-plugin-twadio wiki-plugin-map wiki-plugin-grep wiki-plugin-linkmap wiki-plugin-method wiki-plugin-roster wiki-plugin-pagefold wiki-plugin-rollup wiki-plugin-video

[paul90]

Have just released of wiki: 0.7.0 as well as updating the package file for each of the plugins.

Those warning message should no longer appear.