Support compiling Thread for Win32 on ARM.
Merge updates from trunk.
update to latest TEA
merge win32-arm to trunk
Take over some improvements (e.g. win32-arm) from tdbc
Allow (dummy) --enable-64bit on Cygwin64. Make libthread.dll executable when installing.
Ticket [http://core.tcl.tk/tclconfig/tktview?name=00ed054f4f|00ed054f4f]: Search in Debian per-version directories
update to latest TEA
Fix [http://core.tcl.tk/tcl/info/2f7cbd01c3|2f7cbd01c3]: tcl8.6.1 fails to build on FreeBSD 10.0
Update version number to 2.7.1
merge trunk