polish README and docs/quickstart#21

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ArneBab wants to merge 6 commits intoijp:masterfrom

Commits on Jun 22, 2015

link the wiki in the Readme
Arne Babenhauserheide
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readme: only sudo make install on successful make
Arne Babenhauserheide
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docs/quickstart: use repository shift-reset
Arne Babenhauserheide
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Commits on Feb 23, 2016

starting to implement showing the install path in show.
Arne Babenhauserheide
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Commits on Mar 20, 2016

show: add footer with information about destinations
drak@kav
committed
doc: merge quickstart fixes
drak@kav
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