Merge branch 'feature/integration-of-dictionary-el'

Merge branch 'feature/integration-of-dictionary-el'

b6227446d9 Importing dictionary module
658ec3ccee Renamed connection.el
e2ebffdd62 Renamed link.el
723906c444 Removed some compability parts in dictionary
5dc17d73b0 Add :version tag to defcustom statement
49c250b388 Dont't check coding-system-list for existence
99a7e918c8 Don't check for existence of defface
1773b9b687 Dictionary now uses button
329b6a0210 Adding details page for dictionary
837505075c Fix dictionary tooltip mode
2f1e4fbc42 Support nil value for dictionary-server
91ff1c8f7c Move placement of dictionary-tooltip-mouse-event
28fe134971 Remove text property from empty line
7ca331a4f9 Add history of search words to read-string
d5a4da25b0 * lisp/net/dictionary.el: Remove remnants of package
cc5f280378 * lisp/net/dictionary.el: Add lexical-binding:t
09952ce434 Removed useless check for popup-menu
81ebe86d8d Show error message when asking to match for nothing
0044a2e888 * lisp/net/dictionary-connection.el: Add lexical-binding:t
f58443780c * lisp/net/dictionary-connection.el: Remove obsolete Version
54a3964e29 Update GPL version
a557a103cc * lisp/net/dictionary-connection.el: Prefer defsubst
ffa7d6671d * lisp/net/dictionary.el: Prefer defsubst over defmacro
4deb8618e4 * lisp/net/dictionary.el (dictionary-mode): Use setq-local
d30618cbc1 * lisp/net/dictionary.el (dictionary-tooltip-mode): Use ...
a25a12ddaf Use when where else case returns nil
89e9c1686e * lisp/net/dictionary.el (dictionary-display-more-info): ...
d466231c3e A number of docstring fixes
b18217eb87 A number of docstring fixes
ca0de4d1e0 * etc/NEWS: Add entry for dictionary.el
62d14e10f9 * lisp/net/dictionary.el (dictionary-pre-buffer): Unify casing