Add gitignore and ignore Aptana projects

.gitignore

@@ -0,0 +1,4 @@
+.DS_Store
+
+.idea
+.project

.project

@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>qrcodejs</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-		<buildCommand>
-			<name>com.aptana.ide.core.unifiedBuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-	</buildSpec>
-	<natures>
-		<nature>com.aptana.projects.webnature</nature>
-	</natures>
-</projectDescription>