Database, eventbus, pluginloader fixes

src/frontend/.gitignore

@@ -1,19 +1,11 @@
-# See http://help.github.com/ignore-files/ for more about ignoring files.
-
 # compiled output
 /dist
 /tmp
 /out-tsc
-# Only exists if Bazel was run
-/bazel-out 
 
 # dependencies
 /node_modules
 
-# profiling files
-chrome-profiler-events.json
-speed-measure-plugin.json
-
 # IDEs and editors
 /.idea
 .project
@@ -29,7 +21,6 @@ speed-measure-plugin.json
 !.vscode/tasks.json
 !.vscode/launch.json
 !.vscode/extensions.json
-.history/*
 
 # misc
 /.sass-cache
@@ -37,12 +28,14 @@ speed-measure-plugin.json
 /coverage
 /libpeerconnection.log
 npm-debug.log
-yarn-error.log
 testem.log
 /typings
+/docs
+
+# e2e
+/e2e/*.js
+/e2e/*.map
 
 # System Files
 .DS_Store
 Thumbs.db
-
-src/assets/*.js