initial work on support for viewer zoom
viewer zoom reload on linux and windows
set title for viewer zoom window
use html_widget rather than static_widget
zoom window caption on mac
update todo comments
rename to html widget
Merge pull request #139 from rstudio/feature/viewer-zoom

add zoom command to viewer pane
more viewer module to it's own directory
stubs for viewer back and forward commands
history for html widgets in viewer pane
typo
disable viewer commands when pane is set to empty
Merge pull request #140 from rstudio/feature/viewer-history

history for html widgets in viewer pane
viewer pane history suspend/resume
Allow for package testing without devtools
Run each test in a clean R process
Respect 'whole word' setting on replace
Merge pull request #142 from rstudio/bugfix/findreplace-respect-whole-word

Respect 'whole word' setting on replace
Merge branch 'master' into feature/test-without-devtools