Merge pull request #16 from bhariharan/unstable

Merge branch 'master' into unstable
Making paths agnostic, checking for Android SDK
Rev'ing the plugin version
Paths should be platform-agnostic
Adding check for ANDROID_HOME env var
Specifically targeting path to 'android' tool
Latest android unstable fixes
Setting 'android' based on Windows
Latest unstable
Merge pull request #15 from khawkins/fix_windows

Updates to support platform-agnostic use (Windows vs. *nix)
Merge pull request #17 from khawkins/windows_fix_master

Update for agnostic paths, Android SDK check
Merge remote-tracking branch 'upstream/master' into unstable

Conflicts:
	plugin.xml
	tools/postinstall-android.js
Merge pull request #18 from khawkins/unstable

Plugin: merging master to unstable
Bringing in the latest from the Android repo