pgAdmin III commit: Fix the debugger invocation code to ensure it handl

Fix the debugger invocation code to ensure it handles different combinations of server version and libpq builds as
cleanlyas possible. 

Branch
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master

Details
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http://git.postgresql.org/gitweb?p=pgadmin3.git;a=commitdiff;h=d4f0430734d10d3bf26d06368c92e9fd0283ff0d
Author: Ashesh Vashi <ashesh.vashi@enterprisedb.com>

Modified Files
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CHANGELOG                               |    3 +
pgadmin/debugger/debugger.cpp           |   22 +++++++
pgadmin/debugger/dlgDirectDbg.cpp       |  105 +++++++++++++------------------
pgadmin/include/debugger/dlgDirectDbg.h |    4 -
pgadmin/include/pgAdmin3.h              |    5 ++
pgadmin/pgAdmin3.cpp                    |   43 +++++++++++++
6 files changed, 116 insertions(+), 66 deletions(-)