markdownified readme and remove code of GildedRose class
new junit version, compile against java 1.6
added ignored for intellij, eclipse, maven and osx
Merge pull request #1 from codescape/markdown-based-readme

markdownified readme and remove code of GildedRose class
Merge pull request #2 from codescape/update-to-junit-4-11

new junit version, compile against java 1.6
Merge pull request #3 from codescape/gitignore-for-ides

added ignores for intellij, eclipse, maven and osx