Add a simple example of using idock.
Clean up overview; move technical details of each program to a separate page.
Use proper markdown links.
add README.md
backport from isd2 to avoid using deprecated functions
fix warning for get_input_particles and containers
Merge branch 'feature/feature/fix_warnings' into develop
forgot to delete README.md
Fix truncated line.
Document idock.py options.
Link to example.
Link from examples back to the overview page.
Revert "Merge branch 'feature/feature/fix_warnings' into develop"

This reverts commit 2f909962b1d8cb448ffaad28f99863b1eafd9c29, reversing
changes made to 9250aeb1a80e15f9fe54dc6507715a886e94e9ea.
following recommendations of https://www.kernel.org/pub/software/scm/git/docs/howto/revert-a-faulty-merge.txt
Merge branch 'develop' of github.com:salilab/imp into develop
changed IMP_RESTRAINT to IMP_RESTRAINT_2 to avoid conflicting definitions
changed IMP_RESTRAINT to IMP_RESTRAINT_2 to avoid conflicting definitions
add README.md
backport from isd2 to avoid using deprecated functions
fix warning for get_input_particles and containers
Merge branch 'feature/fix_warnings' into develop