Update build dependencies

Travis CI has upgraded from Ubuntu 12.04 LTS to 14.04 LTS, and
some dependencies have changed.

.ci/travis/install_dakota.sh

@@ -1,22 +1,25 @@
 #!/usr/bin/env bash
+# Install Dakota and its dependencies.
+
+if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
+    base_url="http://csdms.colorado.edu/pub/tools/dakota"
+    dakota_filename="dakota-6.4.0.Linux-Ubuntu.x86_64.tar.gz"
+    deb_filename="libicu48_4.8.1.1-12+deb7u3_amd64.deb"
+    wget $base_url/$deb_filename
+    sudo apt-get install libblas-dev liblapack3
+    sudo dpkg --install $deb_filename
+fi
 
 if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
     base_url="https://dakota.sandia.gov/sites/default/files/distributions/public"
-    filename="dakota-6.4-public-Darwin.i386.tar.gz"
-else
-    base_url="http://csdms.colorado.edu/pub/tools/dakota"
-    filename="dakota-6.4.0.Linux-Ubuntu.x86_64.tar.gz"
+    dakota_filename="dakota-6.4-public-Darwin.i386.tar.gz"
 fi
 
-wget $base_url/$filename -O dakota.tar.gz
+wget $base_url/$dakota_filename -O dakota.tar.gz
 
-dakota_dir=$HOME/dakota
+dakota_dir=$HOME/dakota-sandia
 mkdir $dakota_dir && tar zxf dakota.tar.gz -C $dakota_dir --strip-components 1
 
-if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
-    sudo apt-get install libblas-dev liblapack-dev g++ gfortran fort77 libtrilinos-dev
-fi
-
 export PATH="$dakota_dir/bin:$dakota_dir/test:$PATH"
 
 if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then

.travis.yml

@@ -20,7 +20,7 @@ before_install:
   - pip install coveralls
   - source .ci/travis/install_dakota.sh
   - dakota --version
-  - conda install -q -c csdms -c conda-forge hydrotrend
+  - conda install -q -c csdms hydrotrend
 
 install:
   - conda install -q -c csdms dakotathon --use-local