NXP-12694: Use Markdown for README
NXP-12694: Add Alembic workaround for Linux in README, waiting for NXP-13633
NXP-12694: Fix JIRA issue link in Alembic workaround for Linux README paragraph
NXP-12981: Write documentation on how to sign an application for OS X
NXP-12981: Cosmit
NXP-12981: Sign application bundle with 'Nuxeo Drive' identity and verify code signature in dmg creation script
NXP-13555: replace nuxeo-distribution-tools with ant-assembly-maven-plugin
NXP-13555: add relativePath required in m3
NXP-12981: Write documentation on how to sign an application for Windows
NXP-12981: Sign msi file with 'Nuxeo Drive SPC' certificate and verify code signature in a dedicated script to run after msi freeze
NXP-12981: Improve application signing documentation for Windows
NXP-12981: Add code signing section in DEVELOPERS
Small fixes in DEVELOPERS about the application freeze
NXP-12694: Fix Alembic model update README link in DEVELOPERS
NXP-13625:  Update DEVELOPERS with a section on Drive manual initialization
Merge branch 'feature-NXP-12981-digital-signature'
NXP-12981: Add some details in Windows signing doc
NXP-13630: Update nuxeo drive icons
NXP-13630: Update nuxeo drive icons