Remove most of the remaining geth code and set up bazel (prysmaticlabs#235)

* Remove most of the remaining geth code and set up bazel for this

* chmod +x

* Add flake check

* better flake detection


Former-commit-id: 5c332ecbf2923943f646f1fe40befa95be883329 [formerly 99590fc]
Former-commit-id: e5f919b

Author: prestonvanloon

.dockerignore

@@ -1,47 +1,2 @@
-# See http://help.github.com/ignore-files/ for more about ignoring files.
-#
-# If you find yourself ignoring temporary files generated by your text editor
-# or operating system, you probably want to add a global ignore instead:
-#   git config --global core.excludesfile ~/.gitignore_global
-
-/tmp
-*/**/*un~
-*/**/*.test
-*un~
-.DS_Store
-*/**/.DS_Store
-.ethtest
-*/**/*tx_database*
-*/**/*dapps*
-build/_vendor/pkg
-
-#*
-.#*
-*#
-*~
-.project
-.settings
-
-# used by the Makefile
-/build/_workspace/
-/build/bin/
-/geth*.zip
-
-# travis
-profile.tmp
-profile.cov
-
-# IdeaIDE
-.idea
-
-# VS Code
-.vscode
-
-# dashboard
-/dashboard/assets/flow-typed
-/dashboard/assets/node_modules
-/dashboard/assets/stats.json
-/dashboard/assets/bundle.js
-/dashboard/assets/package-lock.json
-
-**/yarn-error.log
+# Ignore bazel directories
+bazel-*

.gitignore

@@ -0,0 +1,15 @@
+# TODO: Set up remote caching.
+
+startup --host_jvm_args=-Xmx500m --host_jvm_args=-Xms500m
+
+# Disable sandboxing since it may fail inside of Travis' containers because the
+# mount system call is not permitted.
+build --spawn_strategy=standalone --genrule_strategy=standalone
+
+# Set some build options for travis container.
+build --local_resources=1536,1.5,0.5
+build --noshow_progress
+build --verbose_failures 
+build --sandbox_debug
+build --test_output=errors
+build --flaky_test_attempts=5