Add caveat for #14
Update changelog with 0.1.2
Bump the jar plugin dependency up to 0.1.8+

Fixes #18
Bump the plugin version for the next release
Mkae the shadow plugin an explicit runtime dependency for the jar plugin

Shadow is required to make executable jars which seems to me to be a pretty key
part of the plugin

Fixes #17
Note that shadow is now an explicit dependency of the plugin
Rolled back compatibility supprot to JDK6
Merge pull request #21 from ysb33r/master

Rolled back compatibility supprot to JDK6
Added download icon
Setting next version to 0.1.4
Add gradle.properties to keep some defaults