[JBIDE-16081] Aerogear.hybrid requires org.eclipse.debug.core [3.7.0,3.9.0) but Luna includes 3.9.0
[JBIDE-16132] correct library search path for frameworks

Fixes an issue with the library search paths not being added correctly.
Also adds and improves tests for xcode project files.
Merge branch 'master' of github.com:jbosstools/jbosstools-aerogear
JBIDE-16153: Enable tests in Tycho build
Merge pull request #24 from mickaelistria/JBIDE-16153

JBIDE-16153: Enable tests in Tycho build
fix for test failures on CI
update pbxproj file to sync with the project
remove git installation tests

remove the git installation test until we find a way to resolve issues
with git
Clean up tests
Return unknown if a device type can not be guessed
Change the way plugin home directory is located

Fixes a problem with the way plugin home directory is calculated from
workspace. This fixes problem with the linked folders that may be used
as plugin home directories.