Use cl-lib in slime-fuzzy.el

* contrib/slime-fuzzy.el (slime-fuzzy-completions)
(slime-fuzzy-complete-symbol)
(slime-fuzzy-insert-completion-choice)
(slime-fuzzy-fill-completions-buffer)
(slime-fuzzy-insert-from-point, slime-fuzzy-select): Use cl-lib.
Improve support for strings in (:export ...) clause

* contrib/slime-package-fu.el (slime-export-symbols): Handle strings.
(slime-defpackage-exports): Use `slime-export-symbols' and strip
double quotes.
(slime-frob-defpackage-form): Don't skip package name in case
(:export ...) is immediately following.
(slime-determine-symbol-style): Support double quoted styles.
(slime-search-exports-in-defpackage): Handle strings.
(slime-remove-export): Avoid trailing whitespace.
(slime-find-possible-package-file): Use cl-dolist to catch cl-return.
slime-package-fu: kill trailing whitespace and tabs
Restore some of slime-cl-indent's custom indentations

* slime-cl-indent.el (common-lisp-indent-function-1): fix
reference to undefined variable `containing-sexp'.
slime-fuzzy: use comint-filename-completion
Fix compiler warnings in slime.el.

* slime.el (slime-note.message): Move this and other slime-note
accessors up to avoid references before definition.
Release 2.11
Revert "Fix compiler warnings in slime.el."

This reverts commit 65205ed58873df26d306121c8d76d523cb3e9a11 which
was misguided. The warning appears to be related to the advice set
by the slime-references contrib.
Switch to the SVG version of the Travis CI badge
Disable the sbcl-pprint-patch

Fixes issue #212.
Add port changing restart to setup-server

Allows binding swank to a different port if the provided one is busy
delete trailing whitespace
strike one towards future-macro restart-loop
factor out socket-quest
factor out AST sugar macro restart-loop
Merge pull request #204 from adlai/patch-1

Add port changing restart to setup-server
Add *FUZZY-SYMBOL-DEDUPLICATION-MODE*.

* swank-fuzzy.lisp: Add *FUZZY-SYMBOL-DEDUPLICATION-MODE* variable
that controls the removal of symbol name duplicates occurring
during fuzzy matching.