fix broken links

doc/bugs/copy_fast_confusing_with_broken_locationlog.mdwn

@@ -1,4 +1,4 @@
-Conversation moved from [[walkthrough/recover_data_from_lost+found]]
+Conversation moved from [[tips/recover_data_from_lost+found]]
 to a proper bug. --[[Joey]]
 
 (Unfortunatly that scrambled the comment creation times and thus order.)

doc/bugs/dropping_files_with_a_URL_backend_fails.mdwn

@@ -1,4 +1,4 @@
-I was trying out the example with the walkthrough [[walkthrough/using_the_URL_backend]]. I tried dropping files that I had after doing an "git annex get ." which have the URL backend associated with the files it fails with
+I was trying out the example with the walkthrough using_the_URL_backend. I tried dropping files that I had after doing an "git annex get ." which have the URL backend associated with the files it fails with
 
 
 <pre>

doc/bugs/fat_support.mdwn

@@ -8,8 +8,6 @@ be VFAT formatted:
 - Use of ":" in filenames of object files, also not supported.
   Could easily be fixed by reorganizing the object directory.
 
-[[!tag wishlist]]
-
 [[Done]]; in annex.version 2 repos, colons are entirely avoided in
 filenames. So a bare git clone can be put on VFAT, and git-annex
 used to move stuff --to and --from it, for sneakernet.

doc/bugs/git_annex_initremote_walks_.git-annex.mdwn

@@ -1,4 +1,4 @@
-a [[!taglink minor]] <!-- (a suggestion for introducing severity tags on bugs,
+a <!-- (a suggestion for introducing severity tags on bugs,
 feel free to discard) --> issue: `git annex initremote` (in particular, adding
 a key as described in [[encryption]] -- `git annex initremote my_remote
 encryption=my_key`) seems to iterate over the `.git-annex/???/???/*.log` files