Fix paths related to external datasets in Travis CI (#168)

* Change folder setup and do not use `find` in runlog loop

* Remove GH_TOKEN from .travis.yml, and keep config in online Travis settings

.travis.yml

@@ -39,13 +39,8 @@ notifications:
   email: false
 
 after_failure:
-  - "for runlog in 
-    $(find travis_suite.travisCItest/*.travisCItest/logs/icepack.runlog.*); do
+  - "for runlog in travis_suite.travisCItest/*.travisCItest/logs/icepack.runlog.*; do
     echo \"### Contents of $runlog ###\" && cat $runlog; done"
   - "git config --global user.email '[email protected]' &&
     git config --global user.name 'ciceconsortium' &&
     ./report_results.csh --travisCI"
-
-env:
-  global:
-    secure: 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

configuration/scripts/machines/env.travisCI_gnu

@@ -4,7 +4,7 @@ setenv ICE_MACHINE_ENVNAME travisCI
 setenv ICE_MACHINE_COMPILER gnu
 setenv ICE_MACHINE_MAKE make
 setenv ICE_MACHINE_WKDIR ~/ICEPACK_RUNS
-setenv ICE_MACHINE_INPUTDATA ~/Icepack_data
+setenv ICE_MACHINE_INPUTDATA ~
 setenv ICE_MACHINE_BASELINE ~/ICEPACK_BASELINE
 setenv ICE_MACHINE_SUBMIT " "
 setenv ICE_MACHINE_TPNODE 1