Fix bugs of go vet command.

Fix some issues on Windows.

A major improvement in core model

• Discards project library directories. Use vendor mechanism completely.
• Simplifies dependency strategy. When building a project, we only examine build.gradle in DEV mode and only examine gogradle.lock in REP mode.
• Supports global GOPATH. In many cases we need this.

Features

• Supports subpackages.
• Supports reading vendor dependencis in vendor.json and subpackages in glide.lock
• Supports VSCode
• Supports gpm
• Prints resolution stack when error occurs
• Add writeTo and appendTo method in custom Go task

Features

• Add a migration task named goInit
• Add -Dgogradle.mode=DEVELOP to switch build mode
• Deactivate transitive dependencies in external management tools
• Improve performance of goInstall and goVendor

Bugfix

• Support buildTags in build
• Fix several bugs concerning external management tools

Close #93 #94 #68

Fix bugs:

• Test result cannot be recognized when the result line doesn't start with '--PASS' or '--FAIL'

Features:

• Remove previous gogradle.lock before goLock task automatically
• Add IGNORE_LOCAL in configuration, which closes #86

Fix #87

Some minor improvements:

• Add transitive:false to gogradle.lock so that transitive dependencies won't be searched meaninglessly.
• Support incremental installation to improve installation performance.
• Support input check for local dependencies

Minor bug fix:

• Fix issue that --tests is invalid
• Fix issue that --tests fails on Windows
• Fix issue that some failed tests are neglected

Improve docs

• Fix NPE in emptyDir()

This release focuses on improving performance. Cache mechanism has been introduced to speed up the build.

• Fix issue of GStringImpl as closure return value
• Fix issue of omissive can't find package handling
• Close #62 #39