Merge pull request #1718 from hflynn/11648-develop

Replacing trac links in readmes (rebased to develop)
Merge pull request #1711 from aleksandra-tarkowska/10052_piechart_ie

10052 piechart ie
Merge pull request #1720 from mtbc/unicode-javadoc

set Javadoc encoding to UTF-8 for release-javadoc ant target
Merge pull request #1703 from mtbc/clarify-column-indices

refactor file selection table column index handling
Merge pull request #1722 from jburel/import-as-right-click

Import as right click
Merge pull request #1731 from jburel/import-notification

Import notification
Preventing system users being removed from system groups

additional changes to PR https://github.com/openmicroscopy/openmicroscopy/pull/565
Merge pull request #1728 from manics/linux_client_pkg-11571

Allow linux client scripts to be run from a different directory
Merge pull request #1723 from mtbc/trac-11465-user-group-change-restrictions

fix #10209: restrict one's changes to user, group
Merge pull request #1724 from mtbc/trac-11358-set-image-format

fix #11358: set image format after import
Use pytest parametrization for the script subcommand help tests
Add flake8 validation for the CLI integration tests to .travis.yml
Remove unused omeroDir variable definition
Remove commented lines
Remove commented print statements
Remove unused member.
Remove unused packages
Remove extra whitespace.
Fix NPE if one channel only.
Do not show channels box if sizeC =1