fix gitattributes: remove example, fix typo for travis config, add back readme - as it may be needed.

Author: SlayerBirden

.gitattributes

@@ -2,7 +2,8 @@
 /.gitignore export-ignore
 /.phpunit.xml.dist export-ignore
 /.scrutinizer.yml export-ignore
-/.travix.yml export-ignore
+/.travis.yml export-ignore
+/examples export-ignore
 /phpmd.xml.dist export-ignore
-/README.md export-ignore
+/phpunit.xml.dist export-ignore
 /tests export-ignore