Snapshot idea/135.1286 from git://git.jetbrains.org/idea/community.git

a223e43: fixed ideaIC mac sit and dmg
fc7066d: fixed issue with mac launcher location and classpath
4c0f217: IDEA-128247 Make sure OS X Developer ID signature is made on OS X 10.9
53ea02e: Gradle: use application level for gradle system setting related issue: IDEA-128535 Global Gradle Settings aren't global (cherry picked from commit 4e894cc)
5fbdf04: external system: add system.settings title (e.g. Global Gradle settings) only if the external system provides system level settings (cherry picked from commit 98ce798)

Change-Id: I84bf0124f530a3c34667e0a5d2bee1a322e7d9f8