v0.4.2-alpha : Translation only mode for Windows builds

Functionality:

• Translation-only mode (skips building Objective-C libraries) #349
• Support for Windows/Linux (in translation-only mode) #349
• Cycle finding moved from assembly phase to test phase #338
• Automatic linking with related Xcode projects, like tests and WatchKit apps #353
• Per-environment configuration of iOS architectures to build #358
• Environment-specific config can be provided via environment variables in addition to local.properties #361

Code quality:

• Travis Continuous Integration #365
• Additional test coverage (various)
• Documentation fixes (various)
• Updating package prefixes will now correctly cause retranslation/recompile

Use it (see README for details):

plugins {
    id 'java'
    id 'com.github.j2objccontrib.j2objcgradle' version '0.4.2-alpha'
}