remove use of deprecated exceptions. refs #1980
change to more appropriate exceptions. refs #1980
remove unneeded import.
Merge pull request #2113 from craigh/exceptions

Use better exceptions where appropriate. refs #1980
update changelog
Raised memory limit
Raised memory limit
cs fixes
Merge pull request #2118 from Guite/1.4

cs fixes
Corrected PHP requirement.
remove unneccessary ini_set() usages to change memory_limit and max_execution_time ebcause they are already set in install.php. refs #980
do not attempt to login if the system is not installed. refs #1908
completed Doctrine migration of workflows classes, minor cs fixes
Merge pull request #2120 from Guite/1.4

completed Doctrine migration of workflows classes, minor cs fixes
Fixed command registration.
Merge pull request #2121 from cmfcmf/fixed-command-regitration

Fixed command registration.
Also build for PHP 5.6.
Run on travis' new infrastructure.
Merge pull request #2122 from cmfcmf/travis-5.6

Some Travis adjustments
Fixed typo

refs 3b1350e29108657821bcdfa90937be0f5c329c3a
@guite