CHANGELOG:
* added the detection of wget and curl
Update bootstrap-management.sh

* fixed curl argv order
* fixed detection of wget and curl
CLOUDIFY-2248 - After bootstrapping without Rest, Byon fails to locate management machine on teardown
CLOUDIFY-2243 added ability to enable/disable crontab scheduling.
Build version advanced to 5992-17
Build version advanced to 5992-20
Build version advanced to 5992-19
Build version advanced to 5992-26
Build version advanced to 5992-27
Build version advanced to 5992-28
Change method signature by switching instanceIPAddress with floatingIP. It was mixed up a little bit.
Add openstack network driver
update with optionnal property
CLOUDIFY-2004 removed redundant quotations
CLOUDIFY-2253 removed call to init drivers before start/stop/getExternalApi. initilization will be done by the esm.
Merge pull request #57 from polslinux/master

Detection of wget and curl
CLOUDIFY-2117 Added missing toString method to AddTemplatesException class (for tests usage)
CLOUDIFY-2201 added throttling to beginning of start machine to avoid esm from going into loop on error
CLOUDIFY-2253 configureDrivers in no longer synchronized.
Add optional configuration property to set the compute name (to find the compute endpoint in the catalog), external router and external network