Spelling fixes

Fix spelling of: above, already, anonymous, associated,
authentication, bandwidth, because, between, blocks, calculate,
candidates, cautious, changelog, cleaner, clipboard, command,
completely, concurrently, considered, constructs, corrupt, current,
daemon, dependencies, deprecated, directory, dispatcher, download,
eligible, ellipsis, encrypter, endpoint, entrieslist, essentially,
existing writers, existing, expires, filesystem, flushing, frequently,
hierarchy, however, implementation, implements, inaccurate,
individually, insensitive, longer, maximum, metadata, modified,
multipart, namedirfirst, nextcloud, obscured, opened, optional,
owncloud, pacific, passphrase, password, permanently, persimmon,
positive, potato, protocol, quota, receiving, recommends, referring,
requires, revisited, satisfied, satisfies, satisfy, semver,
serialized, session, storage, strategies, stringlist, successful,
supported, surprise, temporarily, temporary, transactions, unneeded,
update, uploads, wrapped

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

backend/union/policy/epall.go

@@ -61,7 +61,7 @@ func (p *EpAll) Action(ctx context.Context, upstreams []*upstream.Fs, path strin
 	return p.epall(ctx, upstreams, path)
 }
 
-// ActionEntries is ACTION category policy but receivng a set of candidate entries
+// ActionEntries is ACTION category policy but receiving a set of candidate entries
 func (p *EpAll) ActionEntries(entries ...upstream.Entry) ([]upstream.Entry, error) {
 	if len(entries) == 0 {
 		return nil, fs.ErrorObjectNotFound

backend/union/policy/epmfs.go

@@ -106,7 +106,7 @@ func (p *EpMfs) Search(ctx context.Context, upstreams []*upstream.Fs, path strin
 	return p.mfs(upstreams)
 }
 
-// SearchEntries is SEARCH category policy but receivng a set of candidate entries
+// SearchEntries is SEARCH category policy but receiving a set of candidate entries
 func (p *EpMfs) SearchEntries(entries ...upstream.Entry) (upstream.Entry, error) {
 	if len(entries) == 0 {
 		return nil, fs.ErrorObjectNotFound

backend/union/policy/ff.go

@@ -14,7 +14,7 @@ func init() {
 // FF stands for first found
 // Search category: same as epff.
 // Action category: same as epff.
-// Create category: Given the order of the candiates, act on the first one found.
+// Create category: Given the order of the candidates, act on the first one found.
 type FF struct {
 	EpFF
 }