Migration guide from other translations platforms.

Initial revision.
Review corrections for Migration guide.
Add glossary help page:

Squashed commit of the following:

commit d970c01f9acdcff184c544c7cacb84f0de7c8854
Author: Alex Eng <aeng@redhat.com>
Date:   Thu Aug 28 13:25:57 2014 +1000

    Rename permission to permissions

commit 73ec3adf16ab01662b1869afabc16dfaabba6b7e
Author: Alex Eng <aeng@redhat.com>
Date:   Thu Aug 28 13:06:58 2014 +1000

    change role name to match server configuration

commit e48486bbf805d119ea57cdd3852f1649e2cd6dc4
Author: Alex Eng <aeng@redhat.com>
Date:   Thu Aug 28 12:43:55 2014 +1000

    Add glossary help page
Add _dev_config.yml to version control.

The instructions in the README now include a command that points
specifically to this file. The dev config will generally be the same
for all developers, so we might as well include it in the repository
to save new developers the confusion of trying to run the command in
its absence.
Update watch command and Fedora setup in README.
Update README.md
Merge pull request #9 from zanata/include-dev-config

Add _dev_config.yml to version control.
Merge pull request #7 from zanata/migration-guide

Migration guide from other translations platforms.
add help for file mapping rules
Formatting additiions and minor changes.
update locale mapping example
Merge pull request #6 from zanata/file-mapping-rules

File mapping rules
New blog post for 3.5 release.
Update index.md
Spelling/grammar/syntax fixes
Spelling/grammar/syntax fixes
Minor sentence fixes
Spelling/grammar/syntax fixes
Update README.md
Merge pull request #11 from sdorfiel/master

Zanata review