Updated .gitignore to ensure lib/settings.yml is ignored/not overwritten
Updated .gitignore to ensure lib/settings.yml is ignored/not overwritten

cutefrank/blueprint-css,sagax/_blueprint-css,joshuaclayton/blueprint-css,shinphoowin/blueprint-css,baiyanghese/blueprint-css,shinphoowin/blueprint-css,blueprintcss/blueprint,beppec56/blueprint-css,beppec56/blueprint-css,cutefrank/blueprint-css,sagax/_blueprint-css,tladesignz/blueprint-css,chriseppstein/blueprint-css,cofffeee/test