update external dependencies, add patch for tor build

external/fix_android_0.2.6.4rc_build.patch

@@ -0,0 +1,77 @@
+From ed6a98b39661a204eb0186267bf406469b4e51ba Mon Sep 17 00:00:00 2001
+From: n8fr8 <nathan@freitas.net>
+Date: Wed, 18 Mar 2015 17:07:49 -0400
+Subject: [PATCH 1/2] disable setting of MONOTONIC time on Android (it doesn't
+ work)
+
+---
+ src/common/compat_pthreads.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/src/common/compat_pthreads.c b/src/common/compat_pthreads.c
+index f4a6cad..ccacef1 100644
+--- a/src/common/compat_pthreads.c
++++ b/src/common/compat_pthreads.c
+@@ -181,6 +181,7 @@ tor_cond_init(tor_cond_t *cond)
+     return -1;
+   }
+ 
++#ifndef __ANDROID_API__
+ #if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
+   /* Use monotonic time so when we timedwait() on it, any clock adjustment
+    * won't affect the timeout value. */
+@@ -188,6 +189,7 @@ tor_cond_init(tor_cond_t *cond)
+     return -1;
+   }
+ #endif
++#endif
+   if (pthread_cond_init(&cond->cond, &condattr)) {
+     return -1;
+   }
+-- 
+1.9.1
+
+
+From 4257a9f1fbbc05413077b7b70215622099f667df Mon Sep 17 00:00:00 2001
+From: n8fr8 <nathan@freitas.net>
+Date: Wed, 18 Mar 2015 17:08:14 -0400
+Subject: [PATCH 2/2] you must explicitly include limits.h on Android
+
+---
+ src/ext/trunnel/trunnel.c   | 1 +
+ src/trunnel/trunnel-local.h | 2 ++
+ 2 files changed, 3 insertions(+)
+
+diff --git a/src/ext/trunnel/trunnel.c b/src/ext/trunnel/trunnel.c
+index 7353237..1d4403c 100644
+--- a/src/ext/trunnel/trunnel.c
++++ b/src/ext/trunnel/trunnel.c
+@@ -13,6 +13,7 @@
+ #include <stdlib.h>
+ #include <string.h>
+ #include "trunnel-impl.h"
++#include "limits.h"
+ 
+ #if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \
+ 	__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+diff --git a/src/trunnel/trunnel-local.h b/src/trunnel/trunnel-local.h
+index b7c2ab9..e55cf3c 100644
+--- a/src/trunnel/trunnel-local.h
++++ b/src/trunnel/trunnel-local.h
+@@ -5,6 +5,7 @@
+ #include "util.h"
+ #include "compat.h"
+ #include "crypto.h"
++#include "limits.h"
+ 
+ #define trunnel_malloc tor_malloc
+ #define trunnel_calloc tor_calloc
+@@ -15,4 +16,5 @@
+ #define trunnel_assert tor_assert
+ #define trunnel_memwipe(mem, len) memwipe((mem), 0, (len))
+ 
++
+ #endif
+-- 
+1.9.1
+

external/liballium

@@ -1 +0,0 @@
-Subproject commit 5272de7361897ee6b5c969fd1eec6609d64ac13a

external/libevent

@@ -1 +1 @@
-Subproject commit 64177777165d9684bafbfa946abd126f7ebff11f
+Subproject commit c51b159cff9f5e86696f5b9a4c6f517276056258

external/obfsclient

@@ -1 +0,0 @@
-Subproject commit 9c164b2afb666d0bcd26ba3eeb6da07a9fff551c

external/tor

@@ -1 +1 @@
-Subproject commit 42b42605f8d8eac25361be229354f6393967df4f
+Subproject commit 0c2e4aec7b8b2024a93c2ee5a7d97bdc45501f70