Convert .hgignore to .gitignore

In this commit I've converted the ignore file from Mercurial to Git
format, as closely as I could figure out how to.

Author: diazona

.gitignore

@@ -0,0 +1,17 @@
+# test files
+.tox
+junit-*.xml
+
+# build files
+build
+dist
+*.egg-info
+
+# project files
+.idea
+.project
+.pydevproject
+
+# compiled python files
+*.pyc
+*.pyo