Revert "corrected a merge mistake in CHANGELOG"

This reverts commit c9f89a92ba78364ef276f7901af17ba8ef5c9624.
Revert "Revert "corrected a merge mistake in CHANGELOG""

This reverts commit d57bf3667c70a673794e08001b220bf893f1755f.
Changes python version to 3.2 for Travis CI build
Installs `NetworkManager` package for Travis CI build
Updates CHANGELOG to reflect fix for #10
Merge pull request #11 from partp/master

Fix Travis tests
Merge branch 'master' of https://github.com/getting-things-gnome/gtg
Extract code responsible of restoring collapsed tasks into a new method.
Avoid startup failures due to invalid value in collapsed_tasks option.
Merge pull request #8 from rivaldi8/bugfix-lp1280683

Fix bug lp #1280683 Startup crash with wrong value in collapsed_tasks option
Merge branch 'master' of https://github.com/getting-things-gnome/gtg
Fixes #15: Sendmail plugin fails by Nimit Shah
Use local version of GTG when debugging

GTG/gtg picked up the installed version of GTG instead of the local
version. Solved by setting PYTHONPATH to the folder that contains GTG
module.
Have a link to PPA recipes somewhere
Refresh Workview periodically

Fixes #7

Fixes LP#514926: https://bugs.launchpad.net/gtg/+bug/514926
Fix opening links on click.

Fixes https://github.com/getting-things-gnome/gtg/issues/18
Update CHANGELOG and AUTHORS.
Merge pull request #19 from rivaldi8/bugfix-18

Fixes #18: Links aren't opened on click
Show link-specific operations on links context menu.
Update changelog.