add trie path store
md5 backed trie
custom mem allocator for smallhash
cosmetics
Merge branch 'master' into pathstore
add function that sets PTRACER capability where necessary
gdb does not attach directly but is first granted access if necessary
add missing include
Merge pull request #150 from reneme/cloud_testing

Cloud Testing: Minor bugfixes and some preparations for the integration of hotpatch tests
platform dependent ptrace() allow function
allow ptrace on cvmfs from all proces (stacktrace retrievel using gdb)
disable SELinux for SLC5 x86 tests
Merge pull request #152 from reneme/diable_selinux_in_slc5x86_test

Disable SELinux for SLC5 x86 tests
FIX: print warning when fingerprint of known host does not match
omit testing perl modules on install
add missing echo switch (cosmetics)
remove integration test 518 from the list of SLC6 x64 tests
(fails because of a bug in AUFS)
FIX: integration tests 515 and 516 failed due to misconfiguration
Merge pull request #154 from reneme/fix_pki_warning

FIX: print warning when fingerprint of known host does not match
Merge pull request #155 from reneme/fix_slc6_platform_scripts

FIX: SLC6 x64 test platform scripts