Rename SVN to GIT throughout the codebase - #726

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The identity filter on the client tables treated ident_state as a
boolean, but the daemon emits six distinct values (ClientIdentStateName
in src/webapi/Refresher.cpp). "Not identified" was implemented as
`ident_state !== "identified"`, a catch-all merging unsupported,
pending, failed and bad-guy peers, with no way to isolate any of them.

Web UI:

- Drive the filter options from IDENT_STATES, 1:1 with the daemon's
  value set, so the comparison collapses to a plain equality test. The
  duplicated two-branch condition in clients.js and client-table.js is
  gone.
- Default the filter to "all" in the Clients view. It defaulted to
  "identified", so the table opened pre-filtered while the tab badges
  counted every peer, and could look empty while the tab said 3.
  FileClients already defaulted to "all".
- Add an Ident column (badge, sortable, hidden by default) so the full
  state is readable, not just inferable from the presence of an icon.
- Show the warning icon for id_failed too. A signature that failed
  verification looked identical to a peer with no SecIdent at all.
- Add the missing downloads_peer_state_connected label. DS_CONNECTED is
  reachable, so the DL state column rendered the raw key
  "downloads_peer_state_connected". Drop the orphan _undefined key and
  the three ident labels misfiled under the transfer-state prefix.

API docs, same class of defect found while auditing the rest of the
client fields:

- ident_state was documented as "verified", obfuscation_status as
  "obfuscated" and software as "eMule" in all three example blocks.
  None of those values can be emitted; the field sets themselves were
  complete and correct.
- Enumerate the legal values of upload_state, download_state,
  ident_state, obfuscation_status, software and source_origin, plus the
  "unknown" fallback rule. Nothing enumerated them before, which is how
  the fabricated example values survived.
- Fix the stale obfuscation_status and ident_state comments in State.h.

The trailing comments on ident_state and obfuscation_status went past the
column limit when amule-project#726 added the "unknown" value to each, and score's
comment kept an old alignment. The clang-format gate is whole-tree over
src/, so this left master red and every branch cut from it inheriting the
failure.

Formatting only, no semantic change. Verified as a clang-format fixpoint
(three consecutive passes identical), and src/ is clean tree-wide after it.

…r.cpp (amule-project#675) (amule-project#725)

* chore(gui): delete unreachable bitmap functions/entries from muuli_wdr.cpp

First slice of the icon-system cleanup scoped in amule-project#675: remove code with
zero call sites anywhere in the tree, before any wxArtProvider migration
work starts.

- muleToolbar(): whole function unused -- superseded by the main
  wxToolBar setup in amuleDlg.cpp; nothing calls it.
- moreImages(): whole function unused, both of its two icon entries.
- amuleDlgImages(): 21 of 35 index blocks have no caller anywhere
  (0-13, 16, 17, 19, 27, 28, 31, 34). The 14 live ones are untouched --
  10 of those (20-26, 29, 32, 33) are already the fallback path inside
  amuleDlg.cpp's Add_Skin_Icon, which prefers a wxArtProvider/SVG lookup
  first; the other 4 (14, 15, 18, 30) are still called directly.
- amuleSpecial(): 6 of 26 index blocks have no caller (6, 7, 8, 9, 18,
  20) -- checked both direct call sites and the PrefsUnifiedDlg.cpp
  fallback table (pages[].m_imageidx), which uses neither.

convert_xpm in PartFileConvertDlg.cpp was on the same "no literal
grep hits" list initially but is not actually dead -- SetIcon(wxICON
(convert)) reaches it via the wxICON macro's token-pasting
(X##_xpm), invisible to a plain identifier search. Caught by a full
build failing on the undeclared identifier, not by inspection; left
untouched.

Deletes 1373 lines (~16% of the file). No behavior change: every
touched entry was unreachable code. clang-format v18 clean; full
amule build verified (macOS, CLIENT_GUI unaffected since neither
touched symbol is CLIENT_GUI-only).

* chore(po): regenerate catalogs after muuli_wdr.cpp dead-code removal

muleToolbar() duplicated several msgid source-location references
(Networks, Searches, Downloads Window, etc.) already present via
amuleDlg.cpp's own toolbar setup. Deleting it drops those now-stale
#: comments; no msgid added, removed, or retranslated -- verified via
unchanged msgid count (1903 before/after) and a diff limited to
source-location comments and POT-Creation-Date.

Regenerated after rebasing onto upstream/master to pick up po/
changes from amule-project#723/amule-project#724/amule-project#726/amule-project#728/amule-project#730/amule-project#731, which had drifted our
prior regeneration out of sync.