CF: Update language to Java 1.8, G++11 and GCC C11

[ZitanChen]

Codeforces no more supports Java 1.7 and users have an urge to enjoy C++11.

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This change is

[crccw]

vjudge-v2/src/CFJudger.cpp, line 15 [r1] (raw file):

 */
CFJudger::CFJudger(JudgerInfo * _info) : VirtualJudger(_info) {
  language_table[CPPLANG]  = "42";

define C++11 and C11 as separate language

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Comments from Reviewable

[ZitanChen]

Review status: 0 of 1 files reviewed at latest revision, 1 unresolved discussion.

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vjudge-v2/src/CFJudger.cpp, line 15 [r1] (raw file):

Previously, crccw (Ran Chen) wrote…

define C++11 and C11 as separate language

It seems that they are separate...Updated GNU C to GNU C11 here...

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Comments from Reviewable