[TASK] Adds .gitignore

Change-Id: If4d0575cb2bcfa2e5a4c789e5b29c2782c6c0491
Reviewed-on: https://review.typo3.org/25864
Reviewed-by: Thomas Loeffler
Tested-by: Thomas Loeffler

.gitignore

+#########################
+# TYPO3CMS/Extensions/terfe.git
+# global ignore file
+########################
+# ignoring temporary files (left by e.g. vim)
+# ignoring by common IDE's used directories/files
+# dont ignore .rej and .orig as we want to see/clean files after conflict resolution
+#
+# if you feel this file needs adaption please report on http://forge.typo3.org/issues/13627
+#
+# for local exclude patterns please edit .git/info/exclude
+#
+*~
+*.bak
+*.idea
+*.project
+*.swp
+.buildpath
+.cache
+.project
+.session
+.settings
+.TemporaryItems
+.webprj
+nbproject