Merge remote-tracking branch 'origin/develop' into fsl

* origin/develop:
  add missing patch for configparser
  add tuneR, seewave, soundecology extensions for R 3.4.0 (+ libsndfile as dep)
  adding easyconfigs: Spyder-3.1.4-intel-2017a-Python-2.7.13.eb, PyQt5-5.8.2-intel-2017a-Python-2.7.13.eb, SIP-4.19.2-intel-2017a-Python-2.7.13.eb
  add patch for BLAST+ 2.6.0 (based on patch provided in #4195)
  add patch for AUGUSTUS
  adding easyconfigs: BUSCO-2.0.1-intel-2017a-Python-2.7.13.eb, AUGUSTUS-3.2.3-intel-2017a-Python-2.7.13.eb, BLAST+-2.6.0-intel-2017a-Python-2.7.13.eb, EMBOSS-6.6.0-intel-2017a.eb, lpsolve-5.5.2.5-intel-2017a.eb, libharu-2.3.0-intel-2017a.eb
  get list of added/modified files using 'git diff --name-only' in Travis config
  Sync Py3 and Py2 easyconfigs of Keras
  Switch default backend to Theano for keras
  Keras/2.0.4 for Python 2.7.13
  adding easyconfigs: Octave-4.2.1-intel-2017a.eb, arpack-ng-3.5.0-intel-2017a.eb, FLTK-1.3.4-intel-2017a.eb, GLPK-4.61-intel-2017a.eb, GL2PS-1.4.0-intel-2017a.eb, Qhull-2015.2-intel-2017a.eb, qrupdate-1.1.2-intel-2017a.eb, GraphicsMagick-1.3.25-intel-2017a.eb, freeglut-3.0.0-intel-2017a.eb, gperf-3.0.4-intel-2017a.eb, xprop-1.2.2-intel-2017a.eb