Updated CreeperHost logo and link.
Merge pull request #774 from Cloudhunter/master

Updated CreeperHost logo and link.
Mac retina support
Added First Run Dialog
Fix
CHANGED: parse and use warning message from modpack.xml
ADDED: more scrollbar fixes

 * Try to scroll textupackpane and map pane scrollbars to top
 * Probably still does not fix all problems.
Cleanup:

 * Removed old eclipse config file
 * Eclipse should now automatically detect UTF-8 and most of the files
   contains characters outside of ASCII
CHANGED: added .gitattributes

 * added .gitattributes: should stop accidental line ending changes
 * res/i18n/* will have CRLFs in working  directories
 * whitespace changes after adding .gitattributes
CHANGED: gradle: added application plugin for 'run' task