[epiphany] (14 commits) Non-fast-forward update to branch mcatanzaro/#1612

[Marge Bot <marge-bot src gnome org>]

The branch 'mcatanzaro/#1612' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  49e918b... Add secure output encoding functions
  ace17c8... Add anti-XSS rules to HACKING file
  21b44d9... about-handler: properly encode page title/URL in about:over
  50d8b49... about-handler: properly encode web app info in about:applic
  df7c20b... pdf-handler: fix a leak
  dd3253f... pdf-handler: properly encode filename before inserting to H
  a1f180b... view-source-handler: encode data passed to highlight.js
  84d5af6... reader-handler: fix style error
  7336502... reader-handler: encode data when constructing reader mode c
  c1f764f... web-view: convert error pages to use autofree/autoptr
  0082105... web-view: encode data in error pages
  02a2fc6... ci: add script to run scan-build
  3bbba83... ci: don't check for memory leaks, use-after-free, double fr

Commits added to the branch:

  d46bc6f... Revert "TechPreview: Enable internal WebKit audio mixer" (*)
  31768a0... Add secure output encoding functions
  2f0fcea... Add anti-XSS rules to HACKING file
  359e465... about-handler: properly encode page title/URL in about:over
  23385ab... about-handler: properly encode web app info in about:applic
  943d4be... pdf-handler: fix a leak
  6a6799b... pdf-handler: properly encode filename before inserting to H
  d025186... view-source-handler: encode data passed to highlight.js
  7562e57... reader-handler: fix style error
  1ea654e... reader-handler: encode data when constructing reader mode c
  fd86b51... web-view: convert error pages to use autofree/autoptr
  abd54b7... web-view: encode data in error pages
  87fc964... ci: add script to run scan-build
  5c9f4bf... ci: don't check for memory leaks, use-after-free, double fr

(*) This commit already existed in another branch; no separate mail sent