Workspace Behaviors on Startup

Fix issue #1510 by supplying the correct data structures for the
functions used and correctly pulling out the desired tags map.
fix CodeMirror search failing with RegExp syntax

Commit e6b16d80 broke this by trying to access the undefined isRE
Default hotkey on OSX for searcher is cmd-shift-f
refix line ending preservation. Closes #359

Signed-off-by: Chris Granger <ibdknox@gmail.com>
proxy support for downloads via the http_proxy, https_proxy environment
vars thanks to @sethyuan. Fixes #1451

Signed-off-by: Chris Granger <ibdknox@gmail.com>
fix weird focus issue. I think this fixes #1293, #1468.

Signed-off-by: Chris Granger <ibdknox@gmail.com>
0.6.7

Signed-off-by: Chris Granger <ibdknox@gmail.com>