act on target-dir changes during update
using mkdir() in copyThenRemove() leads to errors if the target exists or not a dir, use ensureDirectoryExists() instead
do not try to test update inside fixtures
allow injecting a mock filesystem into LibraryInstaller and fix LibraryInstallerTest
make LibraryInstallerTest a little more strict
use the more generic removeDirectory
style fixes
Added --no-install option to create-project command

Added a --no-install option to the create-project command that
skips installation of the dependencies in the newly created
project.
style fixes
change the test to test for a target dir change
Add parallel build to travis script
Merge pull request #2289 from Seldaek/paralleltravis

Add parallel build to travis script
Merge remote-tracking branch 'chx/913'
Fix edge case where one adds a target-dir on a package that didnt have one before, refs #2279
Set some phpdoc to isLocalUrl
Merge pull request #2292 from mmoreram/patch-1

Set some phpdoc to isLocalUrl
Add workaround for php bug 53460 glob() can return false, fixes #2278
Merge remote-tracking branch 'gerryvdm/feature'

Conflicts:
	src/Composer/Command/CreateProjectCommand.php
Merge remote-tracking branch 'origin/master'
Fix some docs