idendr0 1.5.3

• our JSS paper referenced
• vignette added
• minor improvements

v1.5.2

idendr0 1.5.2

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• interactive examples made conditional on 'interactive()' (instead of
  wrapped in '\donttest{}')

v1.5.1

idendr0 1.5.1

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• 'rggobi' package usage fixed
• informative warnings turned into notes
• a bug in "brushed cluster info" fixed

v1.5.0

idendr0 1.5.0

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• initial version about to appear on CRAN