Apply travis yml formatting

This uses the auto formatting applied by the `travis` cli tool
(https://github.com/travis-ci/travis.rb#readme). Keeping this format
allows to use the tool to modify the configuration.

Author: konradkonrad

.travis.yml

@@ -3,62 +3,55 @@ sudo: true
 
 language: python
 python:
-  - '2.7'
-
+- '2.7'
 env:
   global:
-    - GETH_URL='https://gethstore.blob.core.windows.net/builds/geth-linux-amd64-1.6.6-10a45cb5.tar.gz'
-    - GETH_VERSION='1.6.6'
-    - SOLC_URL='https://github.com/ethereum/solidity/releases/download/v0.4.13/solc-static-linux'
-    - SOLC_VERSION='v0.4.13'
+  - GETH_URL='https://gethstore.blob.core.windows.net/builds/geth-linux-amd64-1.6.6-10a45cb5.tar.gz'
+  - GETH_VERSION='1.6.6'
+  - SOLC_URL='https://github.com/ethereum/solidity/releases/download/v0.4.13/solc-static-linux'
+  - SOLC_VERSION='v0.4.13'
   matrix:
-    - TEST_TYPE='unit'
-    - TEST_TYPE='smart_contracts'
-    - TEST_TYPE='property'
-    - TEST_TYPE='long_running' BLOCKCHAIN_TYPE='--blockchain-type=tester'
-    - TEST_TYPE='long_running' BLOCKCHAIN_TYPE='--blockchain-type=geth --blockchain-cache'
-    - TEST_TYPE='integration' BLOCKCHAIN_TYPE='--blockchain-type=tester'
-    - TEST_TYPE='integration' BLOCKCHAIN_TYPE='--blockchain-type=geth --blockchain-cache'
-    - TEST_TYPE='api' BLOCKCHAIN_TYPE='--blockchain-type=tester'
-    - TEST_TYPE='api' BLOCKCHAIN_TYPE='--blockchain-type=geth --blockchain-cache'
+  - TEST_TYPE='unit'
+  - TEST_TYPE='smart_contracts'
+  - TEST_TYPE='property'
+  - TEST_TYPE='long_running' BLOCKCHAIN_TYPE='--blockchain-type=tester'
+  - TEST_TYPE='long_running' BLOCKCHAIN_TYPE='--blockchain-type=geth --blockchain-cache'
+  - TEST_TYPE='integration' BLOCKCHAIN_TYPE='--blockchain-type=tester'
+  - TEST_TYPE='integration' BLOCKCHAIN_TYPE='--blockchain-type=geth --blockchain-cache'
+  - TEST_TYPE='api' BLOCKCHAIN_TYPE='--blockchain-type=tester'
+  - TEST_TYPE='api' BLOCKCHAIN_TYPE='--blockchain-type=geth --blockchain-cache'
 cache:
   pip: true
   directories:
-    - $HOME/.cache/pip
-    - $HOME/.ethash
-    - $HOME/.bin
-
+  - "$HOME/.cache/pip"
+  - "$HOME/.ethash"
+  - "$HOME/.bin"
 before_install:
-  - mkdir -p $HOME/.bin
-  - export PATH=$PATH:$HOME/.bin
-  - ./.travis/download_geth.sh
-  - ./.travis/download_solc.sh
-
+- mkdir -p $HOME/.bin
+- export PATH=$PATH:$HOME/.bin
+- "./.travis/download_geth.sh"
+- "./.travis/download_solc.sh"
 install:
-  - pip install -U pip wheel coveralls "coverage<4.4"
-  - pip install pytest-travis-fold
-  - pip install flake8
-  - pip install -r requirements-dev.txt
-  - pip install .
-
+- pip install -U pip wheel coveralls "coverage<4.4"
+- pip install pytest-travis-fold
+- pip install flake8
+- pip install -r requirements-dev.txt
+- pip install .
 before_script:
-  - flake8 raiden/ tools/
-  - raiden smoketest
-
+- flake8 raiden/ tools/
+- raiden smoketest
 script:
-  - coverage run -m py.test --travis-fold=always -vvvvvv --log-config='raiden:DEBUG' --random $BLOCKCHAIN_TYPE ./raiden/tests/$TEST_TYPE
-
+- coverage run -m py.test --travis-fold=always -vvvvvv --log-config='raiden:DEBUG' --random $BLOCKCHAIN_TYPE ./raiden/tests/$TEST_TYPE
 after_success:
-  - coveralls
-  - make bundle
-
+- coveralls
+- make bundle
 notifications:
   slack:
     secure: 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
   webhooks:
   - secure: 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
 deploy:
-  provider: pypi
+- provider: pypi
   user: raiden_pypi_automated
   password:
       secure: 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
@@ -67,4 +60,4 @@ deploy:
     distributions: sdist bdist_wheel
     repo: raiden-network/raiden
     branch: master
-    python: 2.7
+  python: 2.7