Upgrade Textadept.app to 7.6

Closes #6101.
ControllerMate latest
Update Bit-Slicer to 1.7.3
Add Terraform v0.2.2
Add packer v0.7.0
Merge pull request #6108 from zorgiepoo/patch-5

Update Bit-Slicer to 1.7.3
Merge pull request #6102 from vitorgalvao/fix-6101

Upgrade Textadept.app to 7.6
Merge pull request #6110 from whiteley/packer

Add packer v0.7.0
Update Mailbox to 0.3.9
Merge pull request #6109 from whiteley/terraform

Add Terraform v0.2.2
Merge pull request #6107 from ahbeng/controllermate-latest

ControllerMate latest
Merge pull request #6111 from dlackty/mailbox-039

Update Mailbox to 0.3.9
Monochrome: update to 3.3

Closes #6113.
Merge pull request #6114 from vitorgalvao/fix-6113

Monochrome: update to 3.3
update test suite for postflit/preflight DSL forms
Add doubledash to mkdir command
bug: fix container :type => <type>

Copypasta error in #6068 means that container :type
never worked, because it looked for nonexistent container.formula
Updated Phoenix slides to 1.3.1
docs and error messages for new DSL stanza `pkg`

transition from `install` to `pkg`
abgx360.rb