Prepare sample project for release

Mostly updating package from com.bumptech.flickr
to com.bumptech.glide.samples.flickr. Also
removes support jar in favor of one included with
ActionBarSherlock to avoid a dependency issue.
diff --git a/.gitignore b/.gitignore
index 3752d3c..8065214 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,7 +8,10 @@
 *.swp
 proguard-project.txt
 samples/flickr/.idea/*
-samples/flickr/gen/**/*
-samples/flickr/out/**/*
+samples/flickr/gen
+samples/flickr/out
+samples/flickr/bin
 samples/flickr/local.properties
+*.keystore
 **/.idea/*
+