don't install .git{ignore,attributes} files. bump version.

build/utils.sh

@@ -47,6 +47,7 @@ do_build() {
 
 do_install() {
 	[[ -e "${DESTDIR}" ]] || mkdir -p "${DESTDIR}"
+	find "${INSTALL_ROOT}" -type f -name '.git*' -delete
 	cp -R "${INSTALL_ROOT}"/* "${DESTDIR}"
 }
 

web-greeter/whither.yml

@@ -41,9 +41,9 @@ WebGreeter:
         locale_dir: '@locale_dir@'
         themes_dir: '@themes_dir@'
         version:
-            full: '3.0.0alpha5'
+            full: '3.0.0beta1'
             major: 3
             minor: 0
             micro: 0
-            alpha: 6
+            alpha: False
-            beta: False
+            beta: 1