remove auto-generated m4
remove browser plugin

remove browser plugin as it was removed months ago
fix error in make maintainer-clean
Fixed weird behavior when using tab with an already selected completion
Update cinnamon-screenshot.c

Added a little better stride calculation with cairo_format_stride_for_width();
Improved hot corner settings module

Fixed a variable name
util.js: Return the pid from spawnCommandLine
Sped up expo thumbnail spred/unspread

#2889
Changed Hot Corners and Workspaces icons
Tweaked hot-corner icon
Fix l18n error in clock desklet settings
Update cinnamon-desktop-editor.py

Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1036273
Add current theme directory to icon theme path
Allow themes to set menu icon by default
Allow applets to register roles
Hide Systray icons using registered roles
Have applets register their roles
Switch session name to X-Cinnamon.

This will eventually become Cinnamon as we transition away from the GNOME name.
Commit also changes build linking to cinnamon-menus instead of gnome-menus, and
other attendant changes that requires.
update cinnamon settings desktop files
Initial run at hidpi support.