[Android] Update gitignore with comments and more files

[Jean-Baptiste Kempf]

vlc-ports/android | branch: master | Jean-Baptiste Kempf <jb at videolan.org> | Sat Jul 26 22:44:32 2014 +0200| [c756507963652a14d8a490eab39ff625b799affc] | committer: Jean-Baptiste Kempf

Update gitignore with comments and more files

> http://git.videolan.org/gitweb.cgi/vlc-ports/android.git/?a=commit;h=c756507963652a14d8a490eab39ff625b799affc
---

 .gitignore |   23 ++++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

diff --git a/.gitignore b/.gitignore
index 32a12cc..09c9a31 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,9 +1,26 @@
+# VLC
 /vlc/
+
+# Android .so
 /android-libs/*.so
+
+# Local configuration
 local.properties
+env.sh
+
+# OS specific
 .DS_Store
-*.keystore
+.directory
 *~
 .*.swp
-.directory
-env.sh
+Thumbs.db
+
+# Signage keys
+*.keystore
+
+# Eclipse
+#.classpath
+#.project
+
+# Android Studio
+.idea