MAC Lucene added to install notes

The Macports lucene does not work, added instructions
to the INSTALL-MAC for getting and building the clucene
libs from their git repository.

Fixes issues with deleting rides corrupting the index.

INSTALL-MAC

@@ -6,7 +6,7 @@
                                      Mark Liversedge
 
                                         Nov 2011
-                                      Version 1.0
+                                      Version 1.1
 
 A walkthrough of building GoldenCheetah from scratch on Mac OSX. This was performed
 on Mac OSX Lion (10.7) but the instructions are largely the same for all versions of
@@ -27,6 +27,7 @@ CONTENTS
    - libkml
    - libusb
    - libical
+   - libclucene
 
 
 1. BASIC INSTALLATION WITH MANDATORY DEPENDENCIES
@@ -323,3 +324,15 @@ libical (0.46)
 first run autogen.sh
 then
 ./configure CFLAGS="-isysroot /Developer/SDKs/MacOSX10.7.sdk -arch x86_64" --disable-dependency-tracking
+
+2.7 clucene
+-----------
+
+DO NOT USE THE MACPORTS VERSION (0.9.23) IT DOES NOT WORK.
+
+git clone git://clucene.git.sourceforge.net/gitroot/clucene/clucene 
+cmake -G "Unix Makefiles"
+make
+sudo make install
+
+will install clucene into /usr/local/include/clucene and /usr/local/lib