[WIP] Initial implementation of asset serving in DashR

DESCRIPTION

@@ -1,8 +1,8 @@
 Package: dashR
-Title: An interface to the dash ecosystem for authoring reactive web applications
-Version: 0.0.5
-Authors@R: c(person("Ryan", "Kyle", role = c("aut", "cre"), email = "ryan@plot.ly"), person("Carson", "Sievert", role = c("aut")))
-Description: An interface to the dash ecosystem for authoring reactive web applications.
+Title: An interface to the Dash ecosystem for authoring reactive web applications
+Version: 0.0.6
+Authors@R: c(person("Ryan", "Kyle", role = c("aut", "cre", "trl"), email = "ryan@plot.ly"), person("Chris", "Parmer", role = c("aut"), email = "chris@plot.ly"), person("Carson", "Sievert", role = c("aut")), person(family = "Plotly", role = "cph"))
+Description: An interface to the Dash ecosystem for authoring reactive web applications.
 Depends:
   R (>= 3.0.2)
 Imports:
@@ -14,7 +14,8 @@ Imports:
   htmltools,
   assertthat,
   digest,
-  base64enc
+  base64enc,
+  mime
 Suggests:
   dashHtmlComponents (>= 0.13.5),
   dashCoreComponents (>= 0.42.1),
@@ -27,13 +28,12 @@ Collate:
   'dash.R'
   'imports.R'
   'print.R'
-  'css.R'
   'heroku.R'
   'internal.R'
 License: MIT + file LICENSE
 Encoding: UTF-8
 LazyData: true
-RoxygenNote: 6.0.1.9000
+RoxygenNote: 6.1.1
 Roxygen: list(markdown = TRUE)
 URL: https://github.com/plotly/dashR
 BugReports: https://github.com/plotly/dashR/issues

NAMESPACE

@@ -2,7 +2,6 @@
 
 S3method(print,dash_component)
 export(Dash)
-export(dash_css)
 export(heroku_app_deploy)
 export(heroku_app_template)
 export(input)