XML format conversion utilities: reworked the API to implement a CheckConvert and handle any kind of upgrade/downgrade (easy way to add a new format like 1.2)

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@3411 a333f486-631f-4898-b8df-5754b55c2be0
Compiler: support "OPT_ATT_NORMAL" flags when an empty set of flags is defined in order to reset the flags on an attribute. Useful for inherited flags.

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@3412 a333f486-631f-4898-b8df-5754b55c2be0
Setup wizard cosmetics: added a "Reload" button to refresh the first page of the wizard when the prerequisites are not met.

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@3413 a333f486-631f-4898-b8df-5754b55c2be0
XML format conversion utilities: no version means '1.0'

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@3414 a333f486-631f-4898-b8df-5754b55c2be0
Upgrade to Raphael 2.1.2

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@3415 a333f486-631f-4898-b8df-5754b55c2be0
Fix of read_only flags for some attributes (previous verison had typos, i.e. "readonly" instead of "read_only", which made the factorisation of the state flags incorrect)

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@3416 a333f486-631f-4898-b8df-5754b55c2be0