JBIDE-14548 fix IAE while installing plugins via project examples requirements

- Moved mylyn discovery from central to project-examples
- refactored 3 ConnectorDiscovery creation points into one DiscoveryUtil
  method

Author:    Denis Golovin <dgolovin@gmail.com>
CoAuthor:    Fred Bricon <fbricon@gmail.com>
JBIDE-13885 : support file based discovery

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-13885 : cleanup

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-14990 : check existing source validity

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-14996 : Enable open cheat sheet on project import

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-15006 : use central wizards in offline mode

Signed-off-by: Fred Bricon <fbricon@gmail.com>
Bump parent pom version to Beta3

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-15002 : add quotes to groovy command to handle whitespace

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-15001 : state that groovy 2.1.x is required to run the offline script

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-14991 : better handle warning wrapping

Signed-off-by: Fred Bricon <fbricon@gmail.com>
Fixed really stupid extractKey() signature

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-15009 : make go offline script more robust

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-15009 : reenable archetypes from stacks build

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-15009 : fix typo in enterprise support

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-15009 : fix fred's supidity

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-15009 : fix mobile projects

Signed-off-by: Fred Bricon <fbricon@gmail.com>
Update warning message for missing required deps

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-15009 : add more instructions for offline support

Signed-off-by: Fred Bricon <fbricon@gmail.com>
Bump parent version to 4.1.0.CR1-SNAPSHOT

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-15033 : new gatein examples reference

Signed-off-by: Fred Bricon <fbricon@gmail.com>