Computer Science
Merge branch 'develop' of github.com:oschrenk/notes into develop

* 'develop' of github.com:oschrenk/notes:
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Umlauts in vi
Format
lunjr.js, A bit like Solr, but much smaller and not as bright
js-xlsx, parser for XLSX files
Nools, rete based rules engine in javascript
Basic Android informations
Build Cross Compile toolchains