t1.micro instance type also should be created with 15GB root device
Undo denail fix regexp
Now cc1.4xlarge instance type has 16 CPUs
t1.micro does not have ephemeral device
Decreasing memory for c1.xlarge instance type
fix: missing default key
fix: the rhscl channel should be disabled by default starting from rhui client 2.2.115
introducing flat aggregator, renaming 'apply' to 'nested'
introducing cloud-induced SkipError handling
fix: relax cache key requirements
removing the reboot test case

(cherry picked from commit df61cca69e4fe21d26acc7af7dcba91394f16bb9)
fix: missing test case

(cherry picked from commit 1cf2bdc0f4a150185d3786316ea5b8b78fb68d77)
fix: bash history test and handling

(cherry picked from commit 02782e02a5084d17df73e0d6313066492b03d3d6)
fix: make cache not leaking filedescriptors while keeping up with greenlet instances

(cherry picked from commit 441086fb5c0b6f4e78d6c96e18eea23e245f2e29)
fix: avoid reboot on empty stages
fix: cache
tagging content tests
fix: tags blacklisting

(cherry picked from commit 71b9b2017f201869b1e0a9a086c402c9a01ffad5)
use fresh connection for each test case
fix: cache has to be used for connections with greenlets reusing; introduce (dummy) parallel run