Lighter Gutter Foreground Color

Gutter foreground color (line numbers) was completely white which is
iritant and sometimes can distract from coding.

Author: joviczarko

brogrammer.tmTheme

@@ -32,7 +32,7 @@
                     <key>gutter</key>
                     <string>#222222</string>
                     <key>gutterForeground</key>
-                    <string>#ffffff</string>
+                    <string>#555555</string>
                     <key>guide</key>
                     <string>#222222</string>
                     <key>activeGuide</key>