docu: fix and extend installing instructions
Merge branch 'development' into feature/docu-fixes

* development:
  cmake: set minimum Boost version 1.53.0

Signed-off-by: Torbjörn Klatt <t.klatt@fz-juelich.de>

Conflicts:
	doc/source/installing.md
Merge pull request #120 from torbjoernk/feature/docu-fixes

docu: fix and extend installing instructions