update download and changelog for v2.091.0

Author: MartinNowak

VERSION

@@ -1 +1 @@
-2.090.1
+2.091.0

changelog/2.091.0_pre.dd renamed to changelog/2.091.0.dd

@@ -5,7 +5,7 @@ $(CHANGELOG_NAV_INJECT)
 $(VERSION Mar 08, 2020, =================================================,
 
 $(CHANGELOG_HEADER_STATISTICS
-$(VER) comes with 18 major changes and 65 fixed Bugzilla issues.
+$(VER) comes with 18 major changes and 66 fixed Bugzilla issues.
         A huge thanks goes to the
         $(LINK2 #contributors, 55 contributors)
         who made $(VER) possible.)
@@ -336,10 +336,10 @@ $(CHANGELOG_SOURCE_FILE installer, changelog/windows.dd)
 $(P
 - the released dmd.exe is now built with LDC for a reduction of compilation
   times of 30-40%.
-- 64-bit builds of dmd.exe and lld-link.exe have been added to the bin64 folder
+- 64-bit builds of dmd.exe, dub.exe and lld-link.exe have been added to the bin64 folder
 - The bundled Windows libraries and definitions have been changed from MinGW 5.0.2
   to MinGW 7.0.0 (with additional wide string `main` entrypoints).
-- The bundled LLD linker on Windows binaries have been upgraded to 9.0.0 (including a
+- The bundled LLD linker on Windows has been upgraded to 9.0.0 (including a
   patch that allows exceptions to work on Win32).
 - The VC runtime linked with the MinGW import libraries has been upgraded to
   msvcr120.dll (the last version that allows simple copying and no dependency
@@ -437,6 +437,7 @@ $(LI $(BUGZILLA 20540): $(LPAREN)White|Black$(RPAREN)Hole does not work with ret
 $(LI $(BUGZILLA 20542): std.math.nextafter$(LPAREN)NaN, y$(RPAREN) and nextafter$(LPAREN)x, NaN$(RPAREN) should return NaN)
 $(LI $(BUGZILLA 20544): socket.remoteAddress throws out of memory error with unix domain socket peer)
 $(LI $(BUGZILLA 20585): std.stdio.File open$(LPAREN)$(RPAREN) failure leaves File in invalid state)
+$(LI $(BUGZILLA 20639): Some BitArray methods should be const/pure/nothrow/...)
 )
 $(BUGSTITLE_BUGZILLA Phobos enhancements,
 

download.dd

@@ -218,8 +218,8 @@ Macros:
 
     DMDV2=$(LATEST)
 
-    _=BETA=$(COMMENT $0)
-    BETA=$0
+    BETA=$(COMMENT $0)
+    _=BETA=$0
     B_DMDV2=2.091.0
     B_SUFFIX=rc.1