Manage line endings and don't export dev-ops files

(cherry picked from commit 82a91d8)

Author: zbeekman

.gitattributes

@@ -0,0 +1,22 @@
+# Set the default behavior, in case people don't have core.autocrlf set.
+* text=auto
+
+# Explicitly declare text files you want to always be normalized and converted
+# to native line endings on checkout.
+*.c text
+*.h text
+*.f90 text
+*.F90 text
+*.md text
+*.txt text
+
+# Denote all files that are truly binary and should not be modified.
+*.a binary
+*.tar binary
+*.gz binary
+*.tgz binary
+
+# Prevent dev-ops files from making it into the release archives
+.travis.yml export-ignore
+.gitattributes export-ignore
+.gitignore export-ignore