Fix Crystal build (#60)

* Fix Crystal build

It now successfuly builds a file with Sublime builds feature (found at Tools -> Build)

* Colorless output on building

* Better file_regex match on build

Not so smart with macros, though

* Fix build on Windows (in theory)

* Quiet builds by default

Crystal.sublime-build

@@ -1,9 +1,9 @@
 {
-	"cmd": ["crystal", "\"$file\""],
-	"shell": true,
-	"file_regex": "^(...*?):([0-9]*):?([0-9]*)",
+	"cmd": ["crystal", "run", "--no-color", "$file"],
+	"file_regex": "^Error in (?<filename>.+\\.cr):(?<line_number>[0-9]*):?(?<column_number>[0-9]*): (?<message>.+)$",
 	"selector": "source.crystal",
+	"quiet": true,
 	"windows": {
-		"cmd": ["bash", "-c", "crystal \"$file_name\""]
+		"cmd": ["bash", "-c", "crystal", "run", "--no-color", "$file"]
 	}
 }