Install pybids from github in travis

Author: adelavega

.travis.yml

@@ -8,9 +8,9 @@ python:
 - 3.5
 - 3.6
 env:
-- INSTALL_DEB_DEPENDECIES=true NIPYPE_EXTRAS="doc,tests,fmri,profiler,pybids"
-- INSTALL_DEB_DEPENDECIES=false NIPYPE_EXTRAS="doc,tests,fmri,profiler,pybids"
-- INSTALL_DEB_DEPENDECIES=true NIPYPE_EXTRAS="doc,tests,fmri,profiler,duecredit,pybids"
+- INSTALL_DEB_DEPENDECIES=true NIPYPE_EXTRAS="doc,tests,fmri,profiler"
+- INSTALL_DEB_DEPENDECIES=false NIPYPE_EXTRAS="doc,tests,fmri,profiler"
+- INSTALL_DEB_DEPENDECIES=true NIPYPE_EXTRAS="doc,tests,fmri,profiler,duecredit"
 before_install:
 - function apt_inst {
   if $INSTALL_DEB_DEPENDECIES; then sudo rm -rf /dev/shm; fi &&
@@ -36,7 +36,12 @@ before_install:
   conda install python=${TRAVIS_PYTHON_VERSION} &&
   conda config --add channels conda-forge &&
   conda install -y nipype icu &&
-  rm -r ${CONDA_HOME}/lib/python${TRAVIS_PYTHON_VERSION}/site-packages/nipype*; }
+  rm -r ${CONDA_HOME}/lib/python${TRAVIS_PYTHON_VERSION}/site-packages/nipype*;
+  pushd $HOME;
+  git clone https://github.com/INCF/pybids.git;
+  cd pybids;
+  pip install -e .;
+  popd; }
 #  Add install of vtk and mayavi to test mesh (disabled): conda install -y vtk mayavi
 - travis_retry apt_inst
 - travis_retry conda_inst