Merge the unix-excl VFS into the trunk. This merge also adds the -vfs

option to the command-line shell.

FossilOrigin-Name: 3934b004e93852c89b937ec20431de96a2e99440

diff --cc manifest
index f95637579462eb496dd76ec64a774ac745e60374,053cef99a8147667131f91c052e32df81ba63c59..ac898a1f5c89c3c42f10c4b9c24d9ceb98b2a583
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,8 +1,8 @@@
- C More\stests\sfor\sSQLITE_OMIT_UNIQUE_ENFORCEMENT\sand\sminor\schange\sto\simplementation.
- D 2011-03-12T04:58:55.547
+ -----BEGIN PGP SIGNED MESSAGE-----
+ Hash: SHA1
+ 
 -C In\sthe\s"unix-excl"\sVFS,\suse\sthe\sheap\sfor\sshared\smemory,\ssince\sonly\sa\ssingle\nprocess\sis\sable\sto\sread\sor\swrite\sthe\sdatabase.
 -D 2011-03-12T18:10:44.973
++C Merge\sthe\sunix-excl\sVFS\sinto\sthe\strunk.\s\sThis\smerge\salso\sadds\sthe\s-vfs\noption\sto\sthe\scommand-line\sshell.
++D 2011-03-14T13:54:01.926
  F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
  F Makefile.in 27701a1653595a1f2187dc61c8117e00a6c1d50f
  F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@@ -913,7 -916,14 +916,14 @@@ F tool/speedtest2.tcl ee2149167303ba8e9
  F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
  F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
  F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
- P f957f23a8a392bb1720720960bda2c7b24de9663
- R 9809ca6e3f2473669b6771844893033b
- U shaneh
- Z 165de3d9f760ec4796ef397e07022985
 -P 00051c3296e11211b2bb5ae28f016b17dca857d7
++P b86999436ec2414c990ba720441fe316f647eef6 a05a6d40875df674f9c2b46e33128c6878d4edaa
+ R ae21c3eefa2912bdd40576825c99670e
+ U drh
 -Z 0353c9261ee94db4155a765014c19a0b
++Z ba80be8ddf09d06ab5258c5662ce63ed
+ -----BEGIN PGP SIGNATURE-----
+ Version: GnuPG v1.4.6 (GNU/Linux)
+ 
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 -gOLo9IyLtbi3pQ3LQfZd9Y8=
 -=wzQK
++iD8DBQFNfh39oxKgR168RlERAmUtAJ9euZA2mXv2u5a2MP0I1/796quLkACfTDGF
++KRyVKh4JS29RnQdWZdfQ0tU=
++=K1xX
+ -----END PGP SIGNATURE-----

diff --cc manifest.uuid
index 1dab3e6dc1981c1b7a92e4f719c5b131861477cb,178e5215aa6af86e6db9a2a1ff79e185664d5190..f958506833bf7bdbdce422850e01bc4a954bbb84
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- b86999436ec2414c990ba720441fe316f647eef6
 -a05a6d40875df674f9c2b46e33128c6878d4edaa
++3934b004e93852c89b937ec20431de96a2e99440