added German localization and language switching
Merge branch 'master' of github.com:adobe/brackets

Conflicts:
	src/strings.js
bugfix
Simplified strings.js
Merge branch 'master' of github.com:adobe/brackets
Enabled the remaining agents
Revert "Enabled the remaining agents"

This reverts commit 5fa1b50340760621589073a378d4602dbeacef41.
Merge branch 'upstream/master'
Merge branch 'master-up'

Conflicts:
	src/debug/DebugCommandHandlers.js
	src/strings.js
switched language switching to i18n
inform the user about missing libraries
Merge branch 'master-up'

Conflicts:
	src/brackets.js
	src/command/Menus.js
	src/debug/DebugCommandHandlers.js
	src/nls/strings.js
	src/strings.js
	src/thirdparty/i18n.js
Merge branch 'submodule-warning' of https://github.com/jdiehl/brackets into jdiehl/submodule-warning
Updated wording as suggested by @gruehle
Merge branch 'master' of https://github.com/jdiehl/brackets into submodule-warning
Merge branch 'master-up' into submodule-warning
Merge branch 'submodule-warning' of https://github.com/jdiehl/brackets into jdiehl/submodule-warning
Wording tweaks