Lang: LangCore_Actual.BUILD_PROBLEM_ID
Refactor use LangCore_Actual.BUILD_PROBLEM_ID
Removed deprecated GoCompiler.
Several rename refactoring.
Removed 'go get' operation since it has become broken.
Removed most of deprecated StreamAsLines
Disabled continuous testing feature.
No longer require an explicit GOOS or GOARCH pref setting for most
operations.
Operation names.
Fix margins and label.
Lang: AbstractDeamonToolPrefPage changes.
Changed GocodePreferencePage to Tools page, include oracle too.
Validate Go env for go oracle.