add: add happygrep to Homebrew Cask
Merge pull request #6043 from Akagi201/happygrep

add: add happygrep to Homebrew Cask
Delete happygrep.rb

As per [#6043](https://github.com/caskroom/homebrew-cask/pull/6043#issuecomment-54752432) (comment).
updated black-ink (1.6.1)
updated basecamp (4.3.4)
updated hr (0.4)
updated marsedit (3.6.5)
updated rrootage (latest)
Merge pull request #6049 from vitorgalvao/update-rrootage

updated rrootage (latest)
Merge pull request #6048 from vitorgalvao/update-marsedit

updated marsedit (3.6.5)
Merge pull request #6047 from vitorgalvao/update-hr

updated hr (0.4)
Merge pull request #6046 from vitorgalvao/update-basecamp

updated basecamp (4.3.4)
Merge pull request #6045 from vitorgalvao/update-black-ink

updated black-ink (1.6.1)
updated tribler (6.3.2)
updated bbedit (10.5.12)
updated pharo (3.0)
Merge pull request #6051 from vitorgalvao/update-bbedit

updated bbedit (10.5.12)
Merge pull request #6050 from vitorgalvao/update-tribler

updated tribler (6.3.2)
Merge pull request #6052 from vitorgalvao/update-pharo

updated pharo (3.0)
updated picasa (3.9)