Revert "Don't delete build directory in build tasks."

This reverts commit 3d0acb4e7e3f337a560daf9a5d49a22c85c35258.
Bump version to 0.7.
add intellij project files to .gitignore
Updated links and text in the About screen
Merge branch 'devel'

* devel:
  Updated links and text in the About screen
  add intellij project files to .gitignore
  Bump version to 0.7.
  Revert "Don't delete build directory in build tasks."

Conflicts:
	etc/Info.plist
	src/main/tvrenamer.version