v5.4.0

- add API for Email Templates

- fix Permissions API for Data and Files Services

Deprecated API:

<Data|Files>.Permissions.<OPERATOR>.grantUserSync
<Data|Files>.Permissions.<OPERATOR>.denyUserSync
<Data|Files>.Permissions.<OPERATOR>.grantUser
<Data|Files>.Permissions.<OPERATOR>.denyUser
<Data|Files>.Permissions.<OPERATOR>.grantRoleSync
<Data|Files>.Permissions.<OPERATOR>.denyRoleSync
<Data|Files>.Permissions.<OPERATOR>.grantRole
<Data|Files>.Permissions.<OPERATOR>.denyRole
<Data|Files>.Permissions.<OPERATOR>.grantSync
<Data|Files>.Permissions.<OPERATOR>.denySync
<Data|Files>.Permissions.<OPERATOR>.grant
<Data|Files>.Permissions.<OPERATOR>.deny

New API:

<Data|Files>.Permissions.<OPERATOR>.grantForUser
<Data|Files>.Permissions.<OPERATOR>.denyForUser

<Data|Files>.Permissions.<OPERATOR>.grantForAllUsers
<Data|Files>.Permissions.<OPERATOR>.denyForAllUsers

<Data|Files>.Permissions.<OPERATOR>.grantForRole
<Data|Files>.Permissions.<OPERATOR>.denyForRole

<Data|Files>.Permissions.<OPERATOR>.grantForAllRoles
<Data|Files>.Permissions.<OPERATOR>.denyForAllRoles