[elpa] externals/diff-hl updated (4c46b3b -> ba1e50c)

[ELPA Syncer]

elpasync pushed a change to branch externals/diff-hl.

      from  4c46b3b   Remove an old alias
       new  679f557   New feature: diff-hl-show-hunk
       new  ba905d8   Drop compatibility with Emacs < 25
       new  4460d1c   Use lexical-binding in two remaining filesg
       new  6c34a01   Minor touches
       new  033e880   Remove the gif
       new  39b8455   Fold diff-hl-show-hunk-mode into the "main" mode
       new  414ccac   More reflowing of code
       new  3aa5a7e   Make sure the "underlying face" does not affect the 
popup's display
       new  5c65ada   Fix one warning
       new  ba1e50c   Remove excessive redisplays, they caused blinking


Summary of changes:
 README.md                     |   6 +-
 diff-hl-amend.el              |   2 +-
 diff-hl-flydiff.el            | 104 +----------
 diff-hl-inline-popup.el       | 288 ++++++++++++++++++++++++++++++
 diff-hl-show-hunk-posframe.el | 238 +++++++++++++++++++++++++
 diff-hl-show-hunk.el          | 395 ++++++++++++++++++++++++++++++++++++++++++
 diff-hl.el                    | 107 ++++++++++--
 7 files changed, 1026 insertions(+), 114 deletions(-)
 create mode 100644 diff-hl-inline-popup.el
 create mode 100644 diff-hl-show-hunk-posframe.el
 create mode 100644 diff-hl-show-hunk.el