docstring didn't agree with implementation
implement switching to buffers within same project
get task definitions from the project's attributes

This allows one to define per-project tasks in a .eproject file at the
project root.
reword docstrings
Merge pull request #47 from dcrewi/docstring-fix

Fix docstrings to agree with implementation
Merge pull request #49 from dcrewi/get-task-definitions-from-attributes

Get task definitions from the project's attributes
Merge pull request #50 from dcrewi/switch-buffer-within-same-project

Add ability to switch to other project buffers in other windows with the usual C-x 4 ... mechanism.
Merge remote-tracking branch 'tjarvstrand/option-to-prefer-outermost-project'