Update .gitignore - removed all OS/IDE specific files/dirs

Author: michalbundyra

.gitignore

@@ -1,17 +1,8 @@
-.buildpath
-.DS_Store
-.idea
-.project
-.settings/
-.*.sw*
-.*.un~
-nbproject
-doc/html/
-tmp/
-vendor/
-zf-mkdoc-theme/
-
-clover.xml
-composer.lock
-coveralls-upload.json
-phpunit.xml
+/clover.xml
+/composer.lock
+/coveralls-upload.json
+/docs/html/
+/phpunit.xml
+/vendor/
+/zf-mkdoc-theme.tgz
+/zf-mkdoc-theme/