Merge pull request #135 from vaastav/conda

Add recipe for building the package with conda

conda.recipe/bld.bat

+python setup.py install
+if errorlevel 1 exit 1

conda.recipe/build.sh

+python setup.py install

conda.recipe/meta.yaml

+package:
+  name: wordcloud
+  version: "1.2.1"
+  
+source:
+  git_url: https://github.com/amueller/word_cloud.git
+  
+requirements:
+  build:
+    - python
+
+  run:
+    - python
+    - pillow
+    - numpy
+
+
+test:
+  imports:
+    - wordcloud
+
+about:
+  home: https://github.com/amueller/word_cloud
+  license: MIT
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