pkgin/pkgin 9f8ca16. main.c summary.c

Fix -f flag when used with install.

Previously the remote databases would be wiped but not reinserted
correctly due to confusion with the various global variables handling
this logic.  Fix the issue and simplify things a little until the
repository initialisation code can be overhauled correctly.
DeltaFile
+10-4main.c
+6-4summary.c
+1-2pkgin.h
+17-103 files

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