issue #358: moved CORS documentation to a page of its own

in implementor manual => advanced topics
applied Franks fix
fix compile warnings for CentOS
issue #383: updated documentation
issue #386: add missing manual section
fixed typo in manual
force: make setup
do not close descriptors
Merge branch 'devel' of github.com:triAGENS/ArangoDB into devel
changed version number to 1.3.alpha
added docs for CONTAINS(), added LIKE()
Merge branch 'devel' of https://github.com/triAGENS/ArangoDB into devel
fixed some jslint warnings
do not use start_with in rspec. Travis doesn't have it
added more crash-protection when reading corrupted collection files at startup
include 1.2 in travis tests
fix tests
added logo
fixed arango-dfdb to not segfault that often when reading corrupt datafile
Merge branch 'devel' of https://github.com/triAGENS/ArangoDB into devel