Log Message:
Update tex-latex{,-doc} to 2015.37789

 - Missing DocStrip guards for latexrelease
   package and ltcount
 - Duplicate defintion of \newtoks
 - Missing first char in a range in Unicode
   catcode settings (XeTeX/LuaTeX usage)
 - Fix accents for 0403,0453,040C,045C
   with utf8 option for inputenc