Added Eclipse metadata do .gitignore
(fix) Build numbers link correctly to the build details page.

A backwards-incompatible changed has been introduced in Stapler and made it into Jenkins Core 1.569, causing problems with generation of the build url.
https://issues.jenkins-ci.org/browse/JENKINS-24165

This closes #79
Merge branch 'gitignore-eclipse' of https://github.com/bkmeneguello/jenkins-build-monitor-plugin into bkmeneguello-gitignore-eclipse
Merge branch 'bkmeneguello-gitignore-eclipse'

This closes #78
(chore) It should be clear what section of .gitignore does what ;)
(fix) As YAHOO.Cookie is no longer automatically included it needed to be added explicitly.

This closes #75
(fix) Jenkins Core >= 1.574 CSS no longer affects Build Monitor: Links are displayed correctly
(fix) Max height of both header and footer should be constant, no matter the size of display.

This closes #67