Always re-render scrollbars after themes load/reload

Signed-off-by: Nathan Sobo <nathan@github.com>
Merge pull request #4143 from atom/ns-fix-scrollbar-regression

Always re-render scrollbars after themes load/reload
:arrow_up: encoding-selector@0.7
Prepare 0.146
Add core.fileEncoding config schema
Use core.fileEncoding as default buffer encoding
Add spec for default file encoding
Remove windows1250 duplicate
Add windows1252
Cut/copy whole lines when no text is selected

Closes #3643
Merge pull request #4141 from atom/ks-file-encoding-config

Default buffer encoding to core.fileEncoding config
:arrow_up: settings-view@0.159
Merge pull request #4148 from atom/mb-cut-line

Cut whole lines when no text is selected
Add deprecated getMoveNextWordBoundaryBufferPosition

Closes #4151
Use proper verbiage for the docs
:lipstick:
Overlay decorations render
Fix linter error
Add spec for creation and removal of overlay