Added MavensMate.gitignore

MavensMate is a Sublime Text Package that is an IDE for Salesforce.com
Development.

http://mavensmate.com/
https://www.salesforce.com/

MavensMate.gitignore

@@ -0,0 +1,16 @@
+#Sublime Text exclusions
+*.sublime-workspace
+*.sublime-project
+*.sublime-settings
+
+#MavensMate exclusions
+config/*
+mm.log
+
+#OPTIONAL Apex scripts exclusion
+# - Rule 1 excludes the contents of the apex-scripts folder
+# - Rule 2 adds in NAMED apex scripts
+# Together: excludes scripts run though MavensMate’s 
+#  execute anonymous functionality, while keeping named scripts
+apex-scripts/*
+!apex-scripts/*.cls