py-tre: update master_sites, fix livecheck

- deprecated

python/py-tre/Portfile

@@ -2,6 +2,7 @@
 
 PortSystem          1.0
 PortGroup           python 1.0
+PortGroup           deprecated 1.0
 
 name                py-tre
 version             0.8.0
@@ -17,7 +18,7 @@ long_description    Python bindings for libtre, a lightweight, \
                     approximate text matches.
 
 homepage            http://laurikari.net/tre/
-master_sites        ${homepage}
+master_sites        ${homepage}/download
 distname            tre-${version}
 dist_subdir         tre
 worksrcdir          ${distname}/python
@@ -27,6 +28,7 @@ use_bzip2           yes
 checksums           rmd160  8031cc0c421dd0f473b4c98f49aef9805fa65b64 \
                     sha256  8dc642c2cde02b2dac6802cdbe2cda201daf79c4ebcbb3ea133915edf1636658
 
+deprecated.upstream_support no
 python.versions     27
 
 if {${name} ne ${subport}} {
@@ -38,9 +40,11 @@ if {${name} ne ${subport}} {
     }
 
     post-destroot {
-        xinstall -m 644 -W ${workpath}/${distname} ChangeLog LICENSE README \
+        xinstall -m 0644 -W ${workpath}/${distname} ChangeLog LICENSE README \
             ${destroot}${prefix}/share/doc/${subport}
     }
 
     livecheck.type  none
+} else {
+    livecheck.regex tre-(\[0-9.\]+)${extract.suffix}
 }