update broken PKG_UPDATE rules, handle missing update rules * Makefile.in: add handling for packages with no update rule * src/gtk2.mk, src/gtk3.mk, src/libvpx.mk, src/taglib.mk, src/hunspell.mk, src/vala.mk : use github tags for version info * src/llvm.mk: add '?' to update url * src/openscenegraph.mk: update SED rule for version extraction * src/pthread-stubs.mk, src/qt5.mk, src/renderproto.mk, src/sm.mk, src/s2tc.mk, src/util-macros.mk: added dummy PKG_UPDATE rule * src/qscintilla.mk: change search name for version extraction * src/qtbase.mk: use short pkg version in update path * src/suitesparse.mk: update change in main url/version url * src/tre.mk: update download page link * src/vmime.mk: update download and update url * src/wget.mk, src/xapian-core.mk: update url, sed rule * src/wt.mk: update to use github download/update * src/src-msys-libcrypt.mk: update sed rule

diff -ur QScintilla_gpl-2.10.1.orig/Qt4Qt5/qscintilla.pro QScintilla_gpl-2.10.1/Qt4Qt5/qscintilla.pro
--- QScintilla_gpl-2.10.1.orig/Qt4Qt5/qscintilla.pro	2017-07-05 08:05:16.558914764 -0400
+++ QScintilla_gpl-2.10.1/Qt4Qt5/qscintilla.pro	2017-07-05 08:05:34.640424452 -0400
@@ -23,7 +23,7 @@
 !win32:VERSION = 13.0.0
 
 TEMPLATE = lib
-CONFIG += qt warn_off thread exceptions hide_symbols
+CONFIG += qt warn_off release thread exceptions
 
 CONFIG(debug, debug|release) {
     mac: {